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I would like to clean-up some of my computers. There are multiple versions of the .NET framework installed in parallel (2.0, 3.0, 3.5). How can I find out if one of my local applications is still using these frameworks? And how can I find out which applications are using it?

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closed as off-topic by Bryan, Falcon Momot, Stephane, Jenny D, Ward Jul 25 '13 at 13:36

This question appears to be off-topic. The users who voted to close gave this specific reason:

  • "Questions about hardware or software used in a home setting are off-topic because they require answers that may not be practical for the business and support professionals here. You should try asking on Super User instead." – Bryan, Falcon Momot, Stephane, Jenny D, Ward
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You can't, because there's nothing to say an application has to register with .NET or anything. It just uses it - the application doesn't even need to be installed.

Besides which - having multiple version of .NET is absolutely fine.

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OK. So is there a way to tell that a running application is using a specific .NET version? Like "command X shows it has loaded Y.dll so it uses .NET 3.5". – blerontin Jul 25 '13 at 9:38

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