Bug Check Code 000000c4

[Guest]

Any help would be greatly appreciated, my computer is restarting itself
several times a day randomly. My system event log reports Category (102),
event id 1003, description: "Error code 000000c4, parameter1 00000090,
parameter2 ffdff120, parameter3 00000000, parameter4 00000000.", everytime it
does.

I ran dumpchk.exe on the file it created if that helps at all, and this is
what I got:

"----- 32 bit Kernel Mini Dump Analysis

DUMP_HEADER32:
MajorVersion 0000000f
MinorVersion 00000a28
DirectoryTableBase 19d9f000
PfnDataBase 81800000
PsLoadedModuleList 8055ab20
PsActiveProcessHead 80560bd8
MachineImageType 0000014c
NumberProcessors 00000001
BugCheckCode 000000c4
BugCheckParameter1 00000090
BugCheckParameter2 ffdff120
BugCheckParameter3 00000000
BugCheckParameter4 00000000
PaeEnabled 00000000
KdDebuggerDataBlock 8054c760
MiniDumpFields 00000dff

TRIAGE_DUMP32:
ServicePackBuild 00000200
SizeOfDump 00010000
ValidOffset 0000fffc
ContextOffset 00000320
ExceptionOffset 000007d0
MmOffset 00001068
UnloadedDriversOffset 000010a0
PrcbOffset 00001878
ProcessOffset 000024c8
ThreadOffset 00002728
CallStackOffset 00002980
SizeOfCallStack 00003fff
DriverListOffset 00006c10
DriverCount 00000083
StringPoolOffset 000092f8
StringPoolSize 00001210
BrokenDriverOffset 00000000
TriageOptions 00000041
TopOfStack f4c40000
DebuggerDataOffset 00006980
DebuggerDataSize 00000290
DataBlocksOffset 0000a508
DataBlocksCount 00000003


Windows XP Kernel Version 2600 (Service Pack 2) UP Free x86 compatible
Kernel base = 0x804d7000 PsLoadedModuleList = 0x8055ab20
Debug session time: Tue Oct 12 16:38:00 2004
System Uptime: 0 days 0:17:04
start end module name
804d7000 806eb780 nt Checksum: 002160C9 Timestamp: Tue Aug 03
23:
19:48 2004 (41108004)

Unloaded modules:
f4270000 f429a000 kmixer.sys Timestamp: unavailable (00000000)
f8b27000 f8b28000 drmkaud.sys Timestamp: unavailable (00000000)
f4c44000 f4c51000 DMusic.sys Timestamp: unavailable (00000000)
f429a000 f42bd000 aec.sys Timestamp: unavailable (00000000)
f4b0a000 f4b18000 swmidi.sys Timestamp: unavailable (00000000)
f89bb000 f89bd000 splitter.sys Timestamp: unavailable (00000000)
f861f000 f8628000 processr.sys Timestamp: unavailable (00000000)
f881f000 f8824000 Cdaudio.SYS Timestamp: unavailable (00000000)
ba400000 ba403000 Sfloppy.SYS Timestamp: unavailable (00000000)

Finished dump check"

Windows Online Crash Analysis gave me a vague error about it being a driver,
but I'm using all signed drivers, so I don't think it can be that. Can
anyone help me?