error when right clicking application

[max1pc]

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im getting this error everytime i try to right click any application


App error
1000
Faulting application explorer.exe, version 6.0.2900.2180, faulting module
ntdll.dll, version 5.1.2600.2180, fault address 0x00010f29.

plus (just after it):

App error
cat (100)
1000
Faulting application drwtsn32.exe, version 5.1.2600.0, faulting module
dbghelp.dll, version 5.1.2600.2180, fault address 0x0001295d.

Usually I just get:

App error
cat (100)
1000
Faulting application drwtsn32.exe, version 5.1.2600.0, faulting module
dbghelp.dll, version 5.1.2600.2180, fault address 0x0001295d.

explorer hangs after these errors and I have to ctl-alt-del, shot down
iexplorer -- explorer then restarts.


i have xp pro with sp2

EDIT: Thread title renamed to clarify topic.