Error appearing after quitting from MS EXCEL 2003 SP1

Faulting application excel.exe, version 11.0.6355.0, stamp 40aa979f,
faulting module mso.dll, version 11.0.6360.0, stamp 40d147de, debug?
0, fault address 0x0003dbe7.

For further information, visit help at
http://go.microsoft.com/fwlink/events.asp.

Need help to solve this problem without re-installing!

Thanx