ERROR BOX ON LOG OFF

Question

I had a error box come up a few times every month or two not very often but been wondering what it was??
BLUE SCREEN OF DEATH DISPLAYS:
SESSION_HAS_VALID_POOL_ON_EXIT
***STOP: 0x000000AB (0x00000000000001, 0x00000000000610, 0x00000000000000, 0x00000000000001)
it was something like this may have placed too many zeros but close enough! 

Answer 1

..after being told by the system not to for it may make it unstable and now it is unstable-
You can safely ignore that silly message from Windows. It's for neophytes who don't know about file extensions, associations, and so forth.
Unfortunately, the DMP file doesn't nail a driver. So it's still a guessing game.
Won't hurt to check memory. Arrange for a test to run all night.
   Diagnosing memory problems on your computer
==================================================
Dump File         : 021211-24414-01.dmp
Crash Time        : 2/13/2011 2:19:36 PM
Bug Check String  : SESSION_HAS_VALID_POOL_ON_EXIT
Bug Check Code    : 0x000000ab
Parameter 1       : 00000000`00000001
Parameter 2       : 00000000`00000610
Parameter 3       : 00000000`00000000
Parameter 4       : 00000000`00000001
Caused By Driver  : ntoskrnl.exe
Caused By Address : ntoskrnl.exe+70740
File Description  :
Product Name      :
Company           :
File Version      :
Processor         : x64
Computer Name     :
Full Path         : C:\Test\021211-24414-01.dmp
Processors Count  : 2
Major Version     : 15
Minor Version     : 7600
==================================================
-Jerry