It's an 0x50 error most likely caused by AV software or third party
driver. The file ati2cqag.dll is an ATI Radeon file, if this file is
mentioned in the BSOD then consider your Catalyst Video drivers at
fault. Contact ATI or maybe something here might help:
http://search.yahoo.com/search;_ylt=...t-501&ei=UTF-8

Possible Resolutions to STOP 0x0A, 0x01E, and 0x50 Errors
https://profile.microsoft.com/RegSys...aspx?lcid=1033

John

Andrew E. wrote:
> Try kb315271
>
> "RGSL" wrote:
>
>
>>I had used the dumpchk.exe to read the content of MEMORY.DMP to analyze which
>>file are causing BSOD but i can't seem to find the stated file, ati2cqag.dll
>>in the memory.dmp
>>C:\Program Files\Support Tools>dumpchk C:\WINDOWS\MEMORY.DMP
>>Loading dump file C:\WINDOWS\MEMORY.DMP
>>----- 32 bit Kernel Full Dump Analysis
>>
>>DUMP_HEADER32:
>>MajorVersion 0000000f
>>MinorVersion 00000a28
>>DirectoryTableBase 29efe000
>>PfnDataBase 81ad3000
>>PsLoadedModuleList 8055b1c0
>>PsActiveProcessHead 80561358
>>MachineImageType 0000014c
>>NumberProcessors 00000001
>>BugCheckCode 00000050
>>BugCheckParameter1 e9eee85c
>>BugCheckParameter2 00000000
>>BugCheckParameter3 bf077276
>>BugCheckParameter4 00000001
>>PaeEnabled 00000000
>>KdDebuggerDataBlock 8054cde0
>>
>>Physical Memory Description:
>>Number of runs: 3
>> FileOffset Start Address Length
>> 00001000 00001000 0009e000
>> 0009f000 00100000 00eff000
>> 00f9e000 01000000 2eff0000
>>Last Page: 2ff8d000 2ffef000
>>
>>KiProcessorBlock at 8055a0c0
>> 1 KiProcessorBlock entries:
>> ffdff120
>>
>>
>>Windows XP Kernel Version 2600 (Service Pack 3) UP Free x86 compatible
>>Built by: 2600.xpsp.080413-2111
>>Kernel base = 0x804d7000 PsLoadedModuleList = 0x8055b1c0
>>Debug session time: Thu Jun 05 17:22:20 2008
>>System Uptime: 0 days 5:17:20
>>start end module name
>>804d7000 806ed680 nt Checksum: 002247C2 Timestamp: Mon Apr 14
>>03:
>>27:39 2008 (48025EAB)
>>
>>Unloaded modules:
>>b8103000 b812e000 kmixer.sys Timestamp: Thu Jun 05 12:05:49 2008
>>(4847661D)
>>
>>b812e000 b8151000 aec.sys Timestamp: Thu Jun 05 12:05:41 2008 (48476615)
>>f7d1c000 f7d1d000 drmkaud.sys Timestamp: Thu Jun 05 12:05:41 2008
>>(48476615
>>)
>>f788f000 f789c000 DMusic.sys Timestamp: Thu Jun 05 12:05:40 2008
>>(48476614)
>>
>>ba7c0000 ba7ce000 swmidi.sys Timestamp: Thu Jun 05 12:05:40 2008
>>(48476614)
>>
>>f7c47000 f7c49000 splitter.sys Timestamp: Thu Jun 05 12:05:40 2008
>>(4847661
>>4)
>>f7b4f000 f7b53000 kbdhid.sys Timestamp: Thu Jun 05 12:05:16 2008
>>(484765FC)
>>
>>f7a2f000 f7a34000 Cdaudio.SYS Timestamp: Thu Jun 05 12:05:16 2008
>>(484765FC
>>)
>>f7b4b000 f7b4e000 Sfloppy.SYS Timestamp: Thu Jun 05 12:05:16 2008
>>(484765FC
>>)
>>
>>Finished dump check
>>
>>C:\Program Files\Support Tools>