Publishing impossible in Vista

I have prepared some nice movies with Windows Movie Maker Vista Home Premium
edition, and I do not seem to be able to publish them usimng the option " to
my computer" . Movie maker crashes after the step of naming the file.... The
error I get is below. Anybody has any clue?

Problem signature
Problem Event Name: APPCRASH
Application Name: MOVIEMK.exe
Application Version: 6.0.6000.16386
Application Timestamp: 4549b5b6
Fault Module Name: kernel32.dll
Fault Module Version: 6.0.6000.16386
Fault Module Timestamp: 4549bd80
Exception Code: c000008c
Exception Offset: 0001b09e
OS Version: 6.0.6000.2.0.0.768.3
Locale ID: 1043
Additional Information 1: 8d13
Additional Information 2: cdca9b1d21d12b77d84f02df48e34311
Additional Information 3: 8d13
Additional Information 4: cdca9b1d21d12b77d84f02df48e34311

Extra information about the problem
Bucket ID: 351156998