STOP 0x0000003F NO_MORE_SYSTEM_PTES - 0x3F

A driver did not release Page Table Entries.

The Stop 0x3F message indicates one or more of the following problems:
  • The system Page Table Entries (PTEs) are depleted or fragmented due to the system performing a large number of input/output (I/O) actions.
  • A faulty device driver is not managing memory properly. An application, such as a backup program, is improperly allocating large amounts of kernel memory.


Your Windows Server 2003-based, Windows XP-based, or Windows 2000-based computer may generate one of the following error messages on a blue screen:

STOP: 0x0000003F (0xA,0xB,0xC,0xD)
NO_MORE_SYSTEM_PTES

STOP: 0x000000D8 (0xW,0xX,0xY,0xZ)
DRIVER_USED_EXCESSIVE_PTES


This article describes how to troubleshoot these error messages.