I used DebugDiag and analyzed one memory dump and got this report (don't know what does it mean - but I got before on kernel32.dll system unhandled exception when running my WPF application on Windows XP). Could you look this log?
Type Description Recommendation
Error In MyClient__PID__5928__Date__06_24_2009__Time_03_35_59PM__699__First chance exception 0XE0434F4E.dmp the assembly instruction at kernel32!RaiseException+53 in C:\WINDOWS\system32\kernel32.dll from Microsoft Corporation has caused an unknown exception (0xe0434f4e) on thread 0
This exception originated from mscorwks!Thread::RedirectedHandledJITCase+198. Review the faulting call stack for thread 0 to determine root cause for the exception.
Please follow up with vendor Microsoft Corporation for problem resolution concerning the following file: C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\mscorwks.dll.
Information DebugDiag determined that this dump file (MyClient__PID__5928__Date__06_24_2009__Time_03_35_59PM__699__First chance exception 0XE0434F4E.dmp) is a crash dump and did not perform any hang analysis. If you wish to enable combined crash and hang analysis for crash dumps, edit the CrashHangAnalysis.asp script (located in the DebugDiag\Scripts folder) and set the g_DoCombinedAnalysis constant to True.
Table Of Contents
MyClient__PID__5928__Date__06_24_2009__Time_03_35_59PM__699__First chance exception 0XE0434F4E.dmp
Faulting Thread
Faulting Module Information
Report for MyClient__PID__5928__Date__06_24_2009__Time_03_35_59PM__699__First chance exception 0XE0434F4E.dmp
Report for MyClient__PID__5928__Date__06_24_2009__Time_03_35_59PM__699__First chance exception 0XE0434F4E.dmp
Type of Analysis Performed Crash Analysis
Machine Name BECK
Operating System Windows XP Service Pack 3
Number Of Processors 2
Process ID 5928
Process Image d:\Test\Application\_Cache\2009-06-24_14-59-59-375\MyClient.exe
System Up-Time 1 day(s) 00:12:04
Process Up-Time 00:36:01
Thread 0 - System ID 3504
Entry point mscoree!_CorExeMain
Create time 6/24/2009 2:59:59 PM
Time spent in user mode 0 Days 0:0:26.484
Time spent in kernel mode 0 Days 0:0:1.734
Function Arg 1 Arg 2 Arg 3 Source
kernel32!RaiseException+53 e0434f4e 00000000 00000000
mscorwks!Thread::RedirectedHandledJITCase+198 00000000 02463454 0012e06c
mscorwks!Thread::RedirectedHandledJITCaseForGCThreadControl+7 000309c0 02463454 024c47fc
mscorlib_ni+1babc1 02463448 19562afc 019bc30c
mscorlib_ni+1bef79 0000000a 0000011f 01331198
mscorlib_ni+227bd8 00000002 1a501000 00000000
mscorlib_ni+221955 792e184e 001a3cb2 00160f18
mscorlib_ni+221840 0012e1e8 0012e224 04793233
mscorlib_ni+20399c 0012e1bc 195a2dbc 01850cf4
0x04793233 01312d00 0133a54c 00000066
mscorlib_ni+2219b6 00000000 00000000 00000000
In MyClient__PID__5928__Date__06_24_2009__Time_03_35_59PM__699__First chance exception 0XE0434F4E.dmp the assembly instruction at kernel32!RaiseException+53 in C:\WINDOWS\system32\kernel32.dll from Microsoft Corporation has caused an unknown exception (0xe0434f4e) on thread 0
This exception originated from mscorwks!Thread::RedirectedHandledJITCase+198. Module Information
Image Name: C:\WINDOWS\system32\kernel32.dll Symbol Type: PDB
Base address: 0x7c800000 Time Stamp: Sat Mar 21 15:06:58 2009
Checksum: 0x000fe572 Comments:
COM DLL: False Company Name: Microsoft Corporation
ISAPIExtension: False File Description: Windows NT BASE API Client DLL
ISAPIFilter: False File Version: 5.1.2600.5781 (xpsp_sp3_gdr.090321-1317)
Managed DLL: False Internal Name: kernel32
VB DLL: False Legal Copyright: © Microsoft Corporation. All rights reserved.
Loaded Image Name: kernel32.dll Legal Trademarks:
Mapped Image Name: Original filename: kernel32
Module name: kernel32 Private Build:
Single Threaded: False Product Name: Microsoft® Windows® Operating System
Module Size: 984.00 KBytes Product Version: 5.1.2600.5781
Symbol File Name: c:\symcache\kernel32.pdb\072FF0EB54D24DFAAE9D13885486EE092\kernel32.pdb Special Build: &
Regards
Matjaž
