could someone please help me figure out what is going on here, i have visited msdn site and searched google running athlon xp 1600+ 512 MB nn RAM 40 GB Maxtor HD MSI K7T266a pro2 mainboard ati mach 64 pci video card my windows xp pro crashes seemingly randomly but who knows here is some minidump file results as well as complete memory dump file results ----- 32 bit Kernel Summary Dump Analysis DUMP_HEADER32: MajorVersion 0000000f MinorVersion 00000a28 DirectoryTableBase 0f3ef000 PfnDataBase 80c00000 PsLoadedModuleList 80545b28 PsActiveProcessHead 80547b58 MachineImageType 0000014c NumberProcessors 00000001 BugCheckCode 000000c5 BugCheckParameter1 00000004 BugCheckParameter2 00000002 BugCheckParameter3 00000001 BugCheckParameter4 8053676f PaeEnabled 00000000 KdDebuggerDataBlock 80537d60 SUMMARY_DUMP32: DumpOptions 504d4453 HeaderSize 00006000 BitmapSize 0001fff0 Pages 00004a25 Bitmap.SizeOfBitMap 0001fff0 KiProcessorBlock at 80544ac0 1 KiProcessorBlock entries: ffdff120 Windows XP Kernel Version 2600 UP Free x86 compatible Built by: 2600.xpclient.010817-1148 Kernel base = 0x804d0000 PsLoadedModuleList = 0x80545b28 Debug session time: Mon Jan 28 19:01:27 2002 System Uptime: 0 days 9:56:13 start end module name 804d0000 806b3f00 nt Checksum: 001EC8BB Timestamp: Fri Aug 17 23:39:59 2001 (3B7DE38F) Unloaded modules: f4da4000 f4dcb000 kmixer.sys Timestamp: Mon Jan 28 16:08:37 2002 (3C55BDD5) f4da4000 f4dcb000 kmixer.sys Timestamp: Mon Jan 28 15:42:46 2002 (3C55B7C6) f55cb000 f55f2000 kmixer.sys Timestamp: Mon Jan 28 14:46:02 2002 (3C55AA7A) f55cb000 f55f2000 kmixer.sys Timestamp: Mon Jan 28 14:28:05 2002 (3C55A645) f55cb000 f55f2000 kmixer.sys Timestamp: Mon Jan 28 13:36:34 2002 (3C559A32) f55cb000 f55f2000 kmixer.sys Timestamp: Mon Jan 28 12:51:43 2002 (3C558FAF) f55cb000 f55f2000 kmixer.sys Timestamp: Mon Jan 28 12:27:30 2002 (3C558A02) f55cb000 f55f2000 kmixer.sys Timestamp: Mon Jan 28 12:12:11 2002 (3C55866B) f55cb000 f55f2000 kmixer.sys Timestamp: Mon Jan 28 11:49:34 2002 (3C55811E) f55cb000 f55f2000 kmixer.sys Timestamp: Mon Jan 28 11:23:51 2002 (3C557B17) f6322000 f6349000 kmixer.sys Timestamp: Mon Jan 28 10:36:24 2002 (3C556FF8) f6322000 f6349000 kmixer.sys Timestamp: Mon Jan 28 10:17:34 2002 (3C556B8E) f6322000 f6349000 kmixer.sys Timestamp: Mon Jan 28 09:57:31 2002 (3C5566DB) f6322000 f6349000 kmixer.sys Timestamp: Mon Jan 28 09:33:39 2002 (3C556143) f6322000 f6349000 kmixer.sys Timestamp: Mon Jan 28 09:12:23 2002 (3C555C47) f6322000 f6349000 kmixer.sys Timestamp: Mon Jan 28 09:09:03 2002 (3C555B7F) f6919000 f6940000 kmixer.sys Timestamp: Mon Jan 28 09:07:08 2002 (3C555B0C) f8bbf000 f8bc0000 drmkaud.sys Timestamp: Mon Jan 28 09:07:02 2002 (3C555B06) f69e0000 f6a02000 aec.sys Timestamp: Mon Jan 28 09:07:02 2002 (3C555B06) f6b55000 f6b62000 DMusic.sys Timestamp: Mon Jan 28 09:07:02 2002 (3C555B06) f6b65000 f6b73000 swmidi.sys Timestamp: Mon Jan 28 09:07:02 2002 (3C555B06) f8a4b000 f8a4d000 splitter.sys Timestamp: Mon Jan 28 09:07:02 2002 (3C555B06) f858f000 f8599000 imapi.sys Timestamp: Mon Jan 28 09:05:42 2002 (3C555AB6) f7a90000 f7aa4000 wdmaud.sys Timestamp: Mon Jan 28 09:05:42 2002 (3C555AB6) f8747000 f874f000 processr.sys Timestamp: Mon Jan 28 09:05:42 2002 (3C555AB6) f888f000 f8894000 Cdaudio.SYS Timestamp: Mon Jan 28 09:05:42 2002 (3C555AB6) f7d26000 f7d29000 Sfloppy.SYS Timestamp: Mon Jan 28 09:05:42 2002 (3C555AB6) Finished dump check ----- 32 bit Kernel Summary Dump Analysis DUMP_HEADER32: MajorVersion 0000000f MinorVersion 00000a28 DirectoryTableBase 1e732000 PfnDataBase 80c36000 PsLoadedModuleList 80545b28 PsActiveProcessHead 80547b58 MachineImageType 0000014c NumberProcessors 00000001 BugCheckCode 000000c5 BugCheckParameter1 00000000 BugCheckParameter2 00000002 BugCheckParameter3 00000001 BugCheckParameter4 8053676d PaeEnabled 00000000 KdDebuggerDataBlock 80537d60 SUMMARY_DUMP32: DumpOptions 504d4453 HeaderSize 00006000 BitmapSize 0001fff0 Pages 000040a8 Bitmap.SizeOfBitMap 0001fff0 KiProcessorBlock at 80544ac0 1 KiProcessorBlock entries: ffdff120 Windows XP Kernel Version 2600 UP Free x86 compatible Built by: 2600.xpclient.010817-1148 Kernel base = 0x804d0000 PsLoadedModuleList = 0x80545b28 Debug session time: Thu Jan 24 23:14:48 2002 System Uptime: 0 days 1:43:43 start end module name 804d0000 806b3f00 nt Checksum: 001EC8BB Timestamp: Fri Aug 17 23:39:59 2001 (3B7DE38F) Unloaded modules: f6154000 f617b000 kmixer.sys Timestamp: Thu Jan 24 22:47:01 2002 (3C50D535) f621b000 f6242000 kmixer.sys Timestamp: Thu Jan 24 21:41:11 2002 (3C50C5C7) f630a000 f6331000 kmixer.sys Timestamp: Thu Jan 24 21:33:53 2002 (3C50C411) f6861000 f6888000 kmixer.sys Timestamp: Thu Jan 24 21:33:03 2002 (3C50C3DF) f8c8d000 f8c8e000 drmkaud.sys Timestamp: Thu Jan 24 21:32:33 2002 (3C50C3C1) f6ca1000 f6cae000 DMusic.sys Timestamp: Thu Jan 24 21:32:33 2002 (3C50C3C1) f6888000 f68aa000 aec.sys Timestamp: Thu Jan 24 21:32:33 2002 (3C50C3C1) f6cb1000 f6cbf000 swmidi.sys Timestamp: Thu Jan 24 21:32:33 2002 (3C50C3C1) f8aaf000 f8ab1000 splitter.sys Timestamp: Thu Jan 24 21:32:33 2002 (3C50C3C1) f79d8000 f79ec000 wdmaud.sys Timestamp: Thu Jan 24 21:31:32 2002 (3C50C384) f8921000 f8929000 processr.sys Timestamp: Thu Jan 24 21:31:32 2002 (3C50C384) f8901000 f8906000 Cdaudio.SYS Timestamp: Thu Jan 24 21:31:32 2002 (3C50C384) f7c48000 f7c4b000 Sfloppy.SYS Timestamp: Thu Jan 24 21:31:32 2002 (3C50C384) Finished dump check it would seem that there is an issue with kmixer.sys but who knows. i have more dump files if needed thanks Hilaron