crash on exit

Problem signature:
Problem Event Name: APPCRASH
Application Name: File Undelete.exe
Application Version: 3.1.0.0
Application Timestamp: 50127433
Fault Module Name: File Undelete.exe
Fault Module Version: 3.1.0.0
Fault Module Timestamp: 50127433
Exception Code: c0000005
Exception Offset: 00467960
OS Version: 6.3.9600.2.0.0.256.48