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.
To resolve this problem, repair the Windows XP installation from your CD-ROM. See Reinstall Windows XP by Starting Your Computer from the Windows XP Compact Disc.