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Fix "macOS needs to repair your library" issue.

I keep gettin this error that macOS needs to repair your library to run applications no applications will start up.
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This issue is most likely related to a permissions issue. You will use terminal to solve the issue. First you'll need to learn your username and group name. Use the following commands to get them:

id -u
id -g

Once you have the username and group name, next plug them in to the following command lines:

sudo chown -R user ~/Library
sudo chgrp -R group name ~/Library

Restart
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