If your system files are corrupted, you may receive any of the following in the Application event log entries:

Event Source: Application Error
Event Category: None
Event ID: 1000
Date: MM/DD/YYYY
Time: HH:MM:SS
User: N/A
Description: Faulting application explorer.exe, version 6.0.2600.0, faulting module shlwapi.dll,
             version 6.0.2600.0, fault address 0x00003193.


Event Type: Error
Event Source: Application Error
Event Category: None
Event ID: 1000
Date: MM/DD/YYYY
Time: HH:MM:SS
User: N/A
Description: Faulting application iexplore.exe, version 6.0.2600.0, faulting module browseui.dll,
              version 6.0.2600.0, fault address 0x0000d09b.


Event Type: Error
Event Source: VSS
Event Category: None
Event ID: 8193
Date: MM/DD/YYYY
Time: HH:MM:SS
User: N/A
Description: Volume Shadow Copy Service error: Unexpected error calling routine CoCreateInstance. hr = 0x80040206.


Event Type: Error
Event Source: EventSystem
Event Category: (50)
Event ID: 4609
Date: MM/DD/YYYY
Time: HH:MM:SS
User: N/A
Description: The COM+ Event System detected a bad return code during its internal processing.
             HRESULT was 8007043C from line 44 of d:\nt\com\com1x\src\events\tier1\eventsystemobj.cpp.
             Please contact Microsoft Product Support Services to report this error.
             For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.