I had citra, and it worked fine, then every time I turned on the computer I had to install it again, and now I get an error when installing. It says: the remote tree could not be recovered.
In order for us to provide better support, we need to see the log generated by citra. This guide will walk you through how you can obtain the log file: How to Upload the Log File
That sounds like either your Windows installation is broken, you have an overzealous anti-virus, or your storage is about to die.
Do you have a third party anti-virus software installed?
That usually indicates a connection issue between GitHub and your region. It usually resolves itself within a couple of days.