BSOD playing Warcraft III

BSOD while playing warcraft III
WhoCrashed Report. Pls help
System Information (local)
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computer name: JP-PC
windows version: Windows 7 Service Pack 1, 6.1, build: 7601
windows dir: C:\Windows
CPU: GenuineIntel Intel(R) Core(TM) i7-2670QM CPU @ 2.20GHz Intel586, level: 6
8 logical processors, active mask: 255
RAM: 8489324544 total
VM: 2147352576, free: 1943060480




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Crash Dump Analysis
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Crash dump directory: C:\Windows\Minidump

Crash dumps are enabled on your computer.

On Wed 24/10/2012 1:05:14 PM GMT your computer crashed
crash dump file: C:\Windows\Minidump\102412-49577-01.dmp
This was probably caused by the following module: ntoskrnl.exe (nt+0x7EFC0)
Bugcheck code: 0x50 (0xFFFFFA8010318000, 0x0, 0xFFFFF800030D85FA, 0x0)
Error: PAGE_FAULT_IN_NONPAGED_AREA
file path: C:\Windows\system32\ntoskrnl.exe
product: Microsoft® Windows® Operating System
company: Microsoft Corporation
description: NT Kernel & System
Bug check description: This indicates that invalid system memory has been referenced.
This appears to be a typical software driver bug and is not likely to be caused by a hardware problem.
The crash took place in the Windows kernel. Possibly this problem is caused by another driver that cannot be identified at this time.



On Wed 24/10/2012 1:05:14 PM GMT your computer crashed
crash dump file: C:\Windows\memory.dmp
This was probably caused by the following module: safedrv.sys (safedrv+0x140D)
Bugcheck code: 0x50 (0xFFFFFA8010318000, 0x0, 0xFFFFF800030D85FA, 0x0)
Error: PAGE_FAULT_IN_NONPAGED_AREA
Bug check description: This indicates that invalid system memory has been referenced.
This appears to be a typical software driver bug and is not likely to be caused by a hardware problem.
A third party driver was identified as the probable root cause of this system error. It is suggested you look for an update for the following driver: safedrv.sys .
Google query: safedrv.sys PAGE_FAULT_IN_NONPAGED_AREA

there is no such file as "PEngine.dll" and uhm its warcraft III frozen throne not WoW or anything associated with WoW i think.