Andrej Tozon's blog

... for not running Visual Studio 2005 on Windows Vista. Visual Studio 2005 Service Pack 1 Update for Windows Vista is available for download. Remember to uninstall the Beta before installing this release version.

And if you've installed SQL2005 SP2 already, here's a critical hotfix you may want to apply... This fix is however included in the refreshed SP2 package, so if you download it now (goes for downloads after 5th of March), you'll be fine.