CD & DVD Reader/Writer Troubleshooting

Troubleshooting Tip: To quickly isolate a CD hardware issue from a software issue, boot with a DOS floppy that includes CD drivers. Download a win98 image here and extract it to floppy. If the CD doesn't function in DOS, it's probably a hardware issue.

	You connect a DVD-RAM drive, an HD DVD drive, or a Blu-ray Disc drive to a Microsoft Windows XP-based computer. However, the icon and label for the drive may not be displayed correctly in My Computer and in Windows Explorer. For example, a DVD drive icon or a CD drive icon is displayed instead of an HD DVD drive icon or a Blu-ray Disc drive icon. Additionally, the drive label indicates that the drive is a DVD drive or a CD drive instead of an HD DVD drive or a Blu-ray Disc drive. When you insert a DVD-RAM disc, a CD drive icon is displayed instead of a DVD-RAM drive icon.
	On a Microsoft Windows XP Media Center Edition 2005-based computer that has Update Rollup 2 for Windows Media Center Edition 2005 installed, you may not be able to use Media Center to change the language of a DVD movie. Note: With some DVD movies, the problem may only occur if you use Media Center to change the language more than one time during a single viewing session.
	When you use the remote control to pause a DVD in Microsoft Windows XP Media Center Edition 2004, if you quickly press the Replay button multiple times on the remote to skip from chapter to chapter, the DVD video may appear to freeze or to be blank.
	When you try to resume a DVD in Microsoft Windows XP Media Center Edition 2005, the DVD restarts from the beginning instead of resuming from where you last stopped the DVD.
	When you start your Microsoft Windows XP-based computer, and you have a universal serial bus (USB)-based CD-ROM drive attached to the computer, the CD-ROM drive may be mapped to more than one drive letter.
	This article describes how to troubleshoot issues that may occur when you try to install a new or a second CD or DVD drive into your existing computer in Windows XP. Windows XP may not recognize the new CD or DVD drive. This article is intended for advanced computer users.
	Explains how to solve CD-ROM drive issues on a Windows XP-based computer.
	This article describes how to copy a CD-ROM when you are using Microsoft Windows XP.
	This article describes how you can troubleshoot issues reading CD-ROM or DVD-ROM optical discs. This article also discusses how to troubleshoot common issues with CD-R and CD-RW devices.
	Describes how to troubleshoot problems that occur when you write to CD-R and CD-RW discs, including hardware and device driver compatibility issues, and specific error messages.
	Describes how to burn a CD-R or CD-RW in Windows XP.
	Describes how to copy information to a CD and provides troubleshooting steps.
	If your computer is equipped with a CD recorder that supports CD rewritable (CD-RW) discs, you can erase and then reuse the rewritable disc. This article explains how to erase files from a read and write CD in Windows XP.
	Explains why Windows XP may not recognize your CD-ROM drive, DVD-ROM drive, or CD-ROM R/W drive, and provides a workaround.
	Explains why a CD-ROM may not start to play automatically when you insert it in your CD-ROM drive. Provides a step-by-step resolution.
	When you try to write (burn) files to a CD-ROM in one of the following Samsung CD-RW drives, the files may not appear on the CD-ROM, and you may not be able to add more information to the CD-ROM. This issue may not be limited to the noted CD-RW drives.
	Explains why you may receive an "Incorrect function" error message when you try to access a CD-ROM drive or a DVD-ROM drive after you upgrade to Windows XP, and provides a resolution.
	After you remove either compact disc (CD) recording software or other software from your computer, your computer may exhibit the following behaviour: In My Computer, there is no access to your CD-ROMs; In Device Manager, the following error message appears in connection with any CD-ROM device that is part of your computer system: The device is not working properly because Windows cannot load the drivers required for this device (Code 31); Device Manager displays the following error message: A driver for this device was not required, and has been disabled (Code 32 or Code 31); You may also receive an error Code 39 message that indicates that the driver is corrupted; Device Manager displays the following error Code 19 message, which means that the registry returned some unknown result: Your registry might be corrupted. (Code 19); You may also receive the following error message: Windows successfully loaded the device driver for this hardware but cannot find the hardware device. (Code 41).
	When you attempt to upgrade your computer to Windows XP, you may receive an error message similar to the following during Setup: Error Reading CD-ROM in Drive D:; Please Insert CD-ROM WXHFPP_EN With Serial Number 6A84-0E41 in Drive D:; If the CD-ROM is still in the drive, it may require cleaning.; Press ENTER for OK or ESC to Cancel: OK
	Your computer cannot read some or all files on CDs or DVDs that were recorded through the use of the Optical Storage Technology Association (OSTA) Universal Disk Format (UDF) file system standard. Symptoms may include: The disc is not recognized at all and shows up as empty; Error messages such as "The file or directory is corrupt and unreadable" appear when you try to access files in Windows Explorer; Some portions of a DVD-video may not function correctly (note that this may also be because of a problem with the DVD video data or the player software, which is outside the scope of this article).
	When you right-click a CD-ROM, and then click Properties, the capacity and label entries may be incorrect or missing. This problem can be caused by the version of DirectCD that is included in Adaptec EZ-CD Creator 4.01.
	When Adaptec DirectCD is installed on a Windows-based computer and DirectCD has locked the CD-ROM drive, and then you upgrade the operating system to Windows XP, the CD-ROM drive may remain locked (inaccessible) during Setup until Setup is finished.
	On a computer (such as a notebook computer) in which you can replace the CD-R or CD-RW drive with a DVD or CD-ROM drive, you may not be able to gain access to the files that are on the disc that is in the DVD or CD-ROM drive if you replace the CD-R or CD-RW drive with a DVD or CD-ROM drive while the computer is off and then start the computer. When this occurs, you can still gain access to the files by using a command prompt.
	When you insert a compact disc (CD) into a CD-ROM drive that you primarily use for data CDs, you may find that sound files are played and you can hear CD audio, even though an audio cable is not connected to your CD-ROM drive.
	When you insert a CD-ROM into the CD-ROM or the DVD-ROM drive, the CD-ROM may not automatically run.
	Under the following conditions, your IEEE 1394 or USB CD-ROM or DVD-ROM drive may not be recognized: You hot-plug your IEEE 1394 or USB CD-ROM or DVD-ROM drive. Your CD-ROM or DVD-ROM drive contains CD-ROM media when you connect it to your computer.
	Explains why you may receive a "Files needed" error message when you install Windows XP and provides a resolution.
	Under the following conditions, your CD-ROM may not work after you resume your computer, and your CD-ROM may have a Code 38 status in Device Manager: Your computer was hibernating when you swapped between two ATAPI device bay CD-ROM devices; You used a data CD in the original CD-ROM drive; You removed the data CD from the original CD-ROM drive before your computer entered hibernation.
	When you try to install Windows XP, you may be prompted to insert the Windows XP Professional CD-ROM, although the CD-ROM is already in the drive.
	When you add or re-add a new CD-R, CD-RW, DVD-R, or DVD-RW device to a Microsoft Windows XP-based computer, the computer may not Autoplay the correct Autorun command when you insert a CD-ROM or a DVD-ROM media in the device.
	After you install Service Pack 1 (SP1) for Windows XP, the DirectCD program included with Roxio Easy CD Creator version 5.1 may stop responding when you use it to copy large files (for example, files of more than 100 megabytes [MB]) to a CD-ROM.
	Your computer may stop responding (hang) when you attempt to hot detach either a CD-ROM or a DVD drive from the drive bay. Typically, you hot detach the drive by either clicking the Safely Remove Hardware icon in the status area of the taskbar or by using the device bay unlock lever. Some computers may not support hot detaching the drive and may enter Standby mode automatically when you remove the device. If you resume the computer from Standby mode without removing the drive, the computer may hang until you remove the drive from the drive bay.
	When you attempt to delete a file or folder on a CD-RW media, you may receive the following error message: Error Deleting File or Folder. Cannot delete file name. Files on this CD-ROM drive are read-only. You cannot copy or move files over to this CD-ROM drive.
	Describes an issue where the drive letter that is assigned to the primary hard disk partition is not C if you perform a CD-ROM-based clean installation of Windows Server 2003 or Windows XP.
	When you attempt to change the CD-ROM audio volume by using the multimedia mixer volume controls, it does not move the slider to adjust the volume. Also, if you click to select the Mute check box that is located under CD Audio, the sound is not muted.
	When you use a third-party boot loader to create multiple primary partitions for multiple operating systems, and you install Microsoft Windows XP by starting the computer from the Windows XP CD-ROM, the boot loader for these programs is overwritten.
	On your Windows XP desktop, when you click the shortcut to your 3 1/2 inch disk drive or to your CD-ROM drive, the shortcut does not work anymore.
	When you insert a CD or DVD into your CD-ROM or DVD-ROM drive, you may experience one or both of the following problems: The AutoPlay function does not work. Programs or files that you expect to start or open automatically do not start or open when you insert the media into the drive; The CD-ROM or DVD-ROM icon in My Computer is not updated when you change media. For example, if you replace an audio CD with a program installation CD and then open My Computer, the CD-ROM or DVD-ROM icon may still display "Audio CD".
	When you start your Microsoft Windows XP-based computer, and you have a universal serial bus (USB)-based CD-ROM drive attached to the computer, the CD-ROM drive may be mapped to more than one drive letter.
	When you view the contents of a CD-ROM in Windows Explorer, you can see the name of the CD-ROM in the left pane, and the folders are displayed in the right pane. However, after you remove the CD-ROM and insert a different CD-ROM, the right pane may still display the folders from the first CD-ROM even though the left pane correctly displays the name of the new CD-ROM.
	If your computer uses a video adapter that has a TV tuner feature, when you insert a CD-ROM into your computer's CD-ROM or DVD-ROM drive, you may experience the following problems: The video stream that you receive from the TV tuner program is distorted; The sound is either distorted or you do not receive any sound from the TV tuner program; The TV tuner changes channels after you insert media or if you hot-plug a new device such as a universal serial bus (USB) device or a 1394 idevice into your computer.
	Explains why a second CD-ROM or DVD-ROM drive appears in Windows Explorer after you format, remove, and then re-insert a CD-RW or DVD-RW in Windows XP.
	Explains why you may not be able to burn a CD on a CD-R or a CD-RW drive and provides a resolution.
	When you insert a program CD-ROM into a CD-ROM drive, either start Setup or enable the auto-play option for the program, and then you remove the CD-ROM from the CD-ROM drive while Setup is accessing data, you receive a "No disk in drive" message window that requests you to reinsert the CD-ROM into the CD-ROM drive.
	If you use Windows Explorer to copy a file from a CD-ROM drive to a folder whose archiving bit is set on a local hard disk, the "File is ready for archiving" (or archive) bit is not set.
	When you try to install Microsoft Windows XP from the Windows XP installation CD-ROM, and the Setup program restarts your computer, you are prompted to "press any key to boot from the CD". However if you press a key, the Setup program may start again from the beginning. This behaviour repeats continually.
	If you insert an audio CD or a data CD-ROM in a DVD drive, the disc may not be played automatically, or the appropriate program may not start. This problem may occur if Roxio Easy CD Creator 5.1 and Norton Anti-Virus 2002 are installed.
	Explains why you may receive error messages when you try to use Easy CD Creator or Direct CD in Windows XP.
	This article describes the ability of Microsoft Windows XP to support the DVD-RAM file systems. In Windows XP, DVD-RAM disks can be used as either CD-ROM/DVD-ROM devices or as rewriteable disks.
	The process of copying large amounts of data to the CD-ROM temporary files area may take several minutes. During this time, the option to Write To CD is available and can be clicked. However, if you click this option, the CD copy operation may not succeed and may create an unusable disc.
	Explains why you may receive a "CD Recording software will cause Windows to become unstable" error message when you start Windows XP. The article contains a workaround.
	Playback of .avi files may skip and stutter. The problem seems to occur more frequently when you play back the content from a CD-ROM device.
	When you add or remove ATAPI devices (such as an IDE hard disk or an IDE CD-ROM drive), multiple hard bus resets may occur on the channel on which the device change occurs.
	Explains that after you remove a removable storage drive from a Windows XP-based computer, the drive is displayed as "?" in Windows Explorer if an empty CD-ROM drive is displayed immediately below the removable storage drive or network drive.
	After you swap between a CD-RW device and a normal CD-ROM or DVD drive in a laptop's device bay while My Computer is open, the previous device may not disappear from My Computer until you refresh the screen. If you try to use the non-existent drive (the drive you swapped out), you may receive an error message that indicates that the drive is not available. If My Computer is open in Explorer view, the device will not disappear from the left Explorer window even after you refresh the screen.
	It is possible to lose files if you cut and paste files into the staging area after a "Write these files to CD" operation has begun. Although the files may successfully be cut and pasted to the staging area, after the "Write these files to CD" process has finished, they may be removed completely.
	When you try to gain access to the DVD-ROM drive after your computer comes out of hibernation, you may receive the following error message: drv:The request could not be performed because of an I/O device error.
	If a DVD is mastered as multi-border or multi-session in Microsoft Windows 2000 and in Microsoft Windows XP, only the first border can be read. This problem occurs when there is more that 4 gigabytes (GB) of data in any combination of borders.
	When you copy files or folders to a compact disc-recordable (CD-R) or a compact disc-rewritable (CD-RW) by using a compact disc recorder, you may experience one or more of the following symptoms: The disc recording is consistently unsuccessful. You cannot read the disc by using Microsoft Windows 95 or Microsoft Windows 98, but you can read the disc in Windows XP. You cannot read the disc in an MP3 player, but you can read the disc in Windows XP. You are able to read the disc in an MP3 player, but not all of the files on the disc are available. However, all of the files on the disc are available when you read the disc in Windows XP. When you add files or folders to a disc that already contains data, some files are lost.  This may occur if one or both of the following conditions exist: A file is added to the disc, and the name of the file is the same as the name of a folder that was already on the disk. A folder is added to the disc, and the name of the folder is the same as the name of a file that was already on the disk.
	The Picture Tasks options in the Web View pane (View as a Slide Show and Print pictures) and the Filmstrip view may not be available for picture files on a CD that is in a CD-RW drive or a DVD-RW drive.
	This article discusses the new HighMAT extension for the Microsoft Windows XP CD Writing Wizard. By using the new HighMAT extension, you can create easy-to-use HighMAT CDs of digital photos, music, and videos. The CDs are optimized for easy viewing and for sharing on CD and DVD players that use the HighMAT logo.
	When you try to perform an upgrade installation of Windows XP, you may receive the following error message: An error occurred copying file cdrom.sys to C:\$win_nt$.~bt\cdrom.sys. The file is missing.
	When you insert a recordable CD or DVD that contains data in your CD or DVD recorder (burner) drive, you receive a message that is similar to the following: (drive_letter:) Windows can perform the same action each time you insert a disk or connect a device with this kind of file: Blank CD What do you want Windows to do? Open writable CD folder Take no action This message appears even though the CD or the DVD contains data and is not blank.
	Your CD-RW drive is not recognized as a rewritable drive by some software programs in Microsoft Windows XP Service Pack 2 (SP2) or in Windows XP Tablet PC Edition 2005. Note: Your CD-RW drive may function correctly in the software program as a CD-R or as a CD-ROM drive.
	When you have a computer with more than one CD-R or CD-RW disk drive, only one disk drive may enable you to create compact discs. If you click to select the Enable CD Recording on this drive check box for either the CD-R or CD-RW disk drive that is not enabled, the computer seems to apply the change, but the disk drive remains disabled. When you examine the CD-R or CD-RW disk drive properties, the Enable option is not selected.
	When you repeatedly insert blank rewritable CDs (CD-RWs) into the CD-RW drive and then eject them, the CD-RW drive may unexpectedly not eject the blank media.
	You are unable to delete individual files from a CD-RW disc on a Microsoft Windows XP-based computer. However, you can add to or change the files on a disc, or erase the entire disc.
	In Windows XP, if you have a CD-RW disk that is full, the option to erase the disk may not be displayed.
	After you insert a blank or multi-session compact disc recordable (CD-R) or compact disc rewritable (CD-RW) medium into the CD-burning drive of a computer, when you right-click a blank area in the Exploring window and then click Properties to change the volume label for the disc, the label box may appear dimmed and you cannot change the label.
	Consider the following scenario: When you search for files on the compact disc-rewritable (CD-RW) drive, the files may appear in the C:\Folder\CD Burning folder. This problem only occurs on computers that have a CD-RW drive. The problem does not occur on computers that have a regular CD-ROM drive. When CD/DVD media is inserted into the optical drive and Enable CD recording on this drive is checked on from Properties of the drive, you copy the files to the hard disk from CD-RW drive. After copy operation itself is completed, if you attempt to overwrite the files to the hard disk and those original files have the icon data from optical drive, as a result, icons of the original file to copy in the CD/DVD media are not displayed correctly.  Note: The overwrite operation is succeeded even if the icon is not appeared [sic] correctly.
	If you right-click My Computer, click Manage, click Disk Management, and then change a drive letter of a CD-RW drive, the My Computer name space may not display the proper changes. Instead, two CD-RW drives (the previous CD-RW drive letter and the new CD-RW driver letter) may be displayed.
	When you try to write to a DVD-RAM disc that is in a DVD-RAM/CD-RW combination drive, you may receive the following error message: The disc in the drive is not a writable CD or it is full. Please insert a blank, writable CD into drive D:\, or insert a disc with enough free space to hold all the files you have selected for writing to CD. Note: Windows XP does not support recording UDF-formatted information on a DVD-RAM disc.
	When you run a program that accesses a Universal Serial Bus (USB) 2.0 DVD-ROM drive or CD-RW drive, you may experience problems similar to one or more of the following scenarios: If you run Intervideo WinDVD with a USB 2.0 DVD-ROM drive, you may experience choppy or distorted audio or video, and you may have difficulty going to a particular menu or scene on the disc. These problems occur when you play a DVD for some length of time (for example, 30 to 60 minutes), you quit WinDVD, you restart WinDVD, and then you try to play the DVD again. If you run Roxio Easy CD Creator (for example, version 5) with a USB 2.0 CD-RW drive and you use the Disc Copier feature, you may receive the following error message when Disc Copier tries to locate the CD-RW drive: Disc Copier could not find a supported CD-ROM reader On a Windows 2000-based computer, you may also receive an "Unsafe Removal" message. This message refers to the CD-RW drive. Or, you may receive a "Windows 2000 has finished installing new devices" message, and then Windows prompts you to restart your computer for the changes to take effect. If you run Roxio Easy CD Creator (for example, version 5) with a USB 2.0 CD-RW drive, you may not be able to erase an existing CD-RW disc.
	When you try to copy items from the hard disk to a CD-R (recordable disc) or CD-RW (rewritable disc), some items may vanish, including connected files or subfolders. This problem occurs if the items that you copy were saved in Internet Explorer by using the Complete option.
	After you enable the Prevent access to drives from My Computer Group Policy setting on a Microsoft Windows XP-based computer, you can still access the CD-R and CD-RW drives.
	When you right-click the CD-RW drive in My Computer, some access keys are duplicated on the shortcut menu. Specifically, the access key A is applied to both the AutoPlay and the Erase this CD-RW commands.
	After you copy music files to a recordable compact disc (CD-R) or to a rewritable compact disc (CD-RW) in Microsoft Windows XP, you find that these files still appear in the CD recorder drive folder in My Computer. The files are not cleared from the temporary storage area.
	When you select a backup media device in Backup (Ntbackup.exe), you cannot select a CD-R (compact disc recordable), CD-RW (compact disc rewritable), or DVD-R (digital video disc recordable) device.
	After you upgrade your computer to Microsoft Windows XP from Microsoft Windows 98, Microsoft Windows 98 Second Edition, or Microsoft Windows Millennium Edition (Me), the CD-RW drive may not be recognized by Windows XP. You experience the following behaviours when you attempt to record a CD: You receive the following error message: SCSI error: No SCSI host adapter found When you click OK on the error message, you receive the following error message: No CD recorder found
	In Microsoft Windows XP Media Center Edition 2005, when you try to use the Create CD/DVD experience to create a CD or a DVD, you may receive the following error message: INSERT MEDIA Please insert writeable media that is compatible with your CD or DVD recorder, and then select Retry.
	When you attempt to use an MS-DOS prompt to copy or move files to a CD-R or CD-RW drive for staging, you may receive an "Access denied" error message.
	After you insert a CD into the DVD/CDRW drive on your Microsoft Windows XP-based computer, and then you use Windows Explorer to view the files on the CD, the CD file structure that is displayed in the Folders pane may appear to be duplicated.
	This article describes how to move the CD Recording temporary files storage to an alternate drive for a single user on a Windows XP-based computer.
	When you insert a DVD-RW disc into the DVD drive of a Microsoft Windows XP-based computer, Windows XP does not recognize the disc. For example, you do not see any files on the disc. You may also experience this problem with DVD-RW discs that have been formatted as DVD-VR. Some consumer DVD recorders use the DVD-VR format.
	If you copy a compressed folder, such as a .zip file, to a CD-R or CD-RW drive, you cannot view the contents of the compressed folder while it is in the Temporary CD Writing area.
	In Windows XP, because you cannot test the CD-burning capabilities of the CD burner before you start the write process, a CD-R disk could potentially be ruined because of a buffer under-run. There is no way of running a test write to the CD-R prior to the actual burning of the CD-R.
	This article describes how to set the recording speed for a CD-R drive in Windows XP.
	After you install Microsoft Windows XP 64-Bit Edition Version 2003 or Microsoft Windows Server 2003, you receive the following error message when you try to burn a file to a CD-R disc or to a CD-RW disc by using the CD Writing Wizard: Cannot Complete the CD Writing Wizard This CD does not have enough free space for all your files. There is %1 free space on the disc, and %2 to be written. To continue, please reduce the total amount to be written by %3.
	When you install Windows XP, you may receive the following error message: Setup was unable to verify drive C:. Your computer may not have enough memory to examine the drive, or your Windows XP CD may contain some corrupted files. To continue, press Enter. When you click Enter, you may receive the following error message: Setup cannot access the CD containing the Windows XP installation files.
	This article is intended to help you use the DVD Troubleshooter that is included in Windows XP Help and Support Center. The DVD Troubleshooter includes step-by-step instructions to troubleshoot the following DVD problems in Windows XP: You do not hear any sound, or you receive a message about audio. You have a problem when you use closed captioning or subtitles. When you try to play a DVD, nothing happens. When you play a DVD, the video is choppy. You receive a message about analog copy protection. You receive a message about screen resolution and color quality settings. You receive a decoder error message. You receive a message about digital copy protection. When you play a DVD, the screen is black, or there is some other display problem. You receive a region error message. You receive a video error message.
	When you attempt to play a DVD in your Windows XP-based computer, you may see the following symptoms: A black screen appears beneath the Windows Media Player DVD test. The DVD starts to play, and then immediately quits.
	When you play a DVD full-screen through Microsoft Windows Media Player or through a third-party DVD player, the video may play in a single color.
	If you burn one or more files to a DVD-RAM disk, and the computer enters hibernation during the burning process, the files are not completely burned to the DVD-RAM disk, although the burn process is completed with no errors.
	When you try to install a program or copy data from your CD drive in Windows XP, you may receive one of the following error messages: The request could not be performed because of an I/O device error. Only part of a readprocessmemory or writeprocessmemory request was completed
	When you try to play video from a DVD, you may receive the following error message: Playback failed due to a problem in the video subsystem.
	You are running Microsoft Windows XP Media Center Edition 2005 with Microsoft Update Rollup 2 for Windows XP Media Center Edition installed. When you try to use the Create CD/DVD experience to burn an Advanced Television Systems Committee (ATSC)-recorded program to a video DVD, you may receive an error message that is similar to one of the following: Unsupported File type Creation failure
	You receive an error message when you try to burn a recorded TV broadcast to a video DVD. Specifically, the burn process unexpectedly stops between 0% and 5% on the progress indicator, and you receive the following error message: Create Failure An error has occurred in creating the CD/DVD. These symptoms occur if the following conditions are true: A recorded TV broadcast is in the PAL video format. You try to burn a recorded TV broadcast by using Microsoft Windows XP Media Center Edition 2005.
	The signal from the TV output of the computer may not appear correctly even when the display adapter on the computer supports TV output. This problem occurs when the following conditions are true: You use Microsoft Windows Media Player on a Microsoft Windows XP-based computer to play a video DVD. The video DVD is not digitally encrypted by using Content Scrambling System. The video DVD uses Macrovision copy protection.
	When you try to create a video DVD in Microsoft Windows XP Media Center Edition 2005, you may receive the following error message: UNSUPPORTED FILE TYPE One or more of the files you have selected is not a supported file type and cannot be added to the list.
	If you use the Sonic Solutions DVD creation engine when you try to add files to the DVD-burning catalog in Microsoft Windows XP Media Center Edition 2005, you may receive the following error message: CD Creation Error: The CD drive currently contains the wrong type of CD. Please insert a writable CD. Note The Sonic Solutions DVD creation engine is technically known as the Sonic AuthorScript Video Engine.
	When you try to play a DVD in Microsoft Windows XP Media Center Edition 2005 or in Microsoft Windows XP Media Center Edition 2004, you may receive the following error message: Media Center cannot play this DVD. The DVD may be in use by another application or it is copy-protected.
	When you run the DIR or LS command on the contents of your CD-ROM drive from the Extensible Firmware Interface shell, the contents of the CD-ROM may not be displayed. Note: This article applies to Microsoft Windows XP Professional x64 Edition
	When you use Windows Management Instrumentation (WMI) to enumerate the CD-ROM or DVD-ROM drives that are installed on your Microsoft Windows Server 2003-based, Windows XP-based, or Windows 2000-based computer, the call may not be completed. Also, you receive the following error message: 0x80041004 (CreateInstanceEnum, WIN32_CDROMDRIVE, provider CIMWIN32)
	When you issue a fast-forward command or a rewind command during DVD playback, the audio may no longer be synchronized to the video. Other seek operations may cause the same problem.
	Consider the following scenario. You play an audio CD in Microsoft Windows XP Media Center Edition 2005. After you play the audio CD, you view the Media Center start page. However, the audio CD does not appear in the Recent Music list under My Music.
	If you play a dual-language Video CD (VCD) in Microsoft Windows Media Center Edition 2004, Windows Media Center may play both language audio vocal channels at the same time. Additionally, the vocal channels may play through all the speakers that are attached to the Windows Media Center-based computer.