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might help you. Visual Studio 2005 seems to have compatibility issues with Windows 7 64-bit. Like patcooke writes, do you get any error codes?
These problems may appear suddenly, and correcting them may be difficult. When uninstalling, you should also get rid of all registry markings. Revo uninstaller is a good tool, but you can add to that by using CCleaner, usually recommended here, or Free Window Registry Repair, which I have used for many years,
http://www.regsofts.com/free_registry_repair/registry_repair.htm
You could also try it in Vista or XP compatibility mode. Or, if you get any message about rights, you could try Take Ownership,
Link Removed --- this one doesn't really apply to your problem, I...