If you've ever wanted a quick way to find out which versions and service packs of the .NET runtime are installed on a machine, or if you're trying to resolve a 'missing mscoree.dll' error, then DotNET Version Checker is for you

VersionCheck will also tell you whether you have the required Windows components to run .NET applications, and will prompt you with download locations if not.

VersionCheck lists all the installed versions of the .NET runtime on your machine and can currently identify the following versions of the .NET runtime: (Note that not all of these are public releases, but you may encounter them on development machines etc.)