Assertion 'Class->cWndReferenceCount == 0' failed at subsystems/win32/win32k/ntuser/class.c line 140 Entered debugger on embedded INT3 at 0x0008:0x808fd2e6. kdb:> thread list TID State Prior. Affinity EBP EIP *0x000002ac Running 9 0x00000001 0x0062fae0 0x7c907c4a kdb:> proc list PID State Filename 0x00000004 In Memory System 0x00000048 In Memory smss.exe 0x00000080 In Memory csrss.exe 0x000000a8 In Memory winlogon.exe 0x000000c0 In Memory services.exe 0x000000c8 In Memory lsass.exe 0x00000128 In Memory eventlog.exe 0x00000138 In Memory rpcss.exe 0x0000014c In Memory svchost.exe 0x00000178 In Memory umpnpmgr.exe 0x00000194 In Memory spoolsv.exe 0x000001a8 In Memory audiosrv.exe 0x00000250 In Memory explorer.exe *0x000002a8 In Memory autorun.exe 0x000002c0 In Memory explorer.exe 0x000002d0 In Memory diablo.exe kdb:> bt Eip: Frames: --- Press q to abort, any other key to continue --- <00000000> (attaching to diablo.exe) kdb:> proc attach 0x2d0 Attached to process 0x000002d0, thread 0x000002d4. kdb:> thread list TID State Prior. Affinity EBP EIP *0x000002d4 Ready 8 0x00000001 0x00000000 0x00000000 kdb:> bt Eip: <00000000> Frames: <20ec8353> Couldn't access memory at 0x56E58959! kdb:>