When closing Excel (2003 or 2007) it will crash and stop working. Meantime if will first close the opened files and after that the Excel itself exits normally.
The following error description may appears when crashing:
Problem signature:
Problem Event Name: APPCRASH
Application Name: EXCEL.EXE
Application Version: 11.0.8231.0
Application Timestamp: 48934d57
Fault Module Name: OLEAUT32.dll
Fault Module Version: 6.0.6001.18000
Fault Module Timestamp: 4791a74f
Exception Code: c0000005
Exception Offset: 00004580
OS Version: 6.0.6001.2.1.0.768.3
Locale ID: 1033
Additional information about the problem:
LCID: 1033
Brand: Office11Crash
skulcid: 1033
This problem is very old hence Windows restore is not applicable.
SOLUTION:
Note: Try to backup your registry when you are making any changes.
Try disabling your Excel add-ins and test. If this doesn't work, try changing the value of LoadBehavior from 3 to 0 under this registry key:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\Excel\Addins