Data missing

[jmac]

This morning I started musicbee to listen to some music, and all of the data was missing. It looks like a brand new install. Any help will be appreciated.

[psychoadept]

See if your Library folder and/or AppData folder might have been moved or deleted.  This page might help you figure out where to look: http://musicbee.wikia.com/wiki/Backup_%26_Restore