Error: Assembly window Base Version 3.0.0.0 in the Global Assembly Cache (GAC) necessary first when trying to install a scanner.

Original title: Assembly window Base Version 3.0.0.0 in the Global Assembly Cache (GAC) first need

To get this message when you try to install a scanner:

The Assembly window Base Version 3.0.0.0 in the Global Assembly Cache (GAC) first need

I associated the original message of not having Dot Net 3 - but it was already installed.  Apparently, the installation has been corrupted.  I uninstalled 3 & 3.5 and reinstalled and also applied the patches & updates.  Problem solved.  Thanks for the reply.

Tags: Windows

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