In addition, you could try using SFC:

Right click command on start menu>run as admin>type at command prompt:

sfc /scannow

Good luck,

CH


"Roger" <Roger@discussions.microsoft.com> wrote in message
news:5AD05541-61F0-4B9A-B93D-E4BED2F18439@microsoft.com...
>I just upgraded from XP to Vista Ultimate. Whenever I click on the
>Computer
> icon on the desktop (My Computer), Windows Explorer (Not IE) crashes,
> stops
> working, and has to restart. Any ideas on this issue? Thanks.