Thanks every one so much.
The version VS2008 i have, while install it was not apper every problem, it's just close first form, and nothings.
I'd install .NET Framework 3.5
. and try to reinstall so many times, but haven't reusult. "pweegar" can you detail
"How many times have you tried to install vs 2008??? You may need to run thru the system registry and delete any references there. I've seen this cause a problem before.", i'd search on google and tried to delete some referent key in registry.