does anybody know how to fix it? what on earth is going on with this? how to get the installation going again? ><
I had the same problem on the last couple of installs and updates. It had something to do with a custom library folder we created in the Toolbox. I had to get our VAR to fix it remotely.
Are you re-installing?
I had a very similar problem!
The problems relates to when the software doesn't uninstall properly.
Use MS FixIt
Follow the promps and select SolidWorks 2013 if/when it shows in the list.
Once that is done it should allow to install correctly
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