The .NET Framework Setup Verification Utility is a free tool which checks a .NET installation to make sure it's working correctly.

The program doesn't need installation itself, fortunately - just launch it, choose the version of .NET to check, and click Verify Now. The tool then scans key .NET files and Registry to confirm that all is well, usually delivering a verdict in a few seconds.

Even if you don't need to check an installaton, the program can show you which versions of .NET are installed on a system, as they're the only ones it will list.

The .NET Framework Setup Verification Utility supports the following Framework versions:

  • .NET Framework 1.0
    .NET Framework 1.1
    .NET Framework 1.1 SP1
    .NET Framework 2.0
    .NET Framework 2.0 SP1
    .NET Framework 2.0 SP2
    .NET Framework 3.0
    .NET Framework 3.0 SP1
    .NET Framework 3.0 SP2
    .NET Framework 3.5
    .NET Framework 3.5 SP1
    .NET Framework 4 Client
    .NET Framework 4 Full
    .NET Framework 4.5
    .NET Framework 4.5.1
    .NET Framework 4.5.2
    .NET Framework 4.6
    .NET Framework 4.6.1
    .NET Framework 4.6.2
    .NET Framework 4.7

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You'll rarely, maybe ever need this program - but if your .NET installation becomes corrupted then it could be the only way you'll ever find out. Download a copy now, so it's ready if you suspect .NET issues