I suggest you read the following KB article and contact support as described. Also, post the following information when you describe the problem.
Describe Your Setup
Tell us about your setup when reporting an issue. If you’re already running Roon (or trying to run Roon and having an issue), be sure to let us know:
- what version of Roon you are running ( Settings > About; If you’re running Windows, please let us know whether you’re running 32bit or 64 bit )
- What operating system you are running ( Windows 7; OSX 10.9; etc )
- Basic information about the device you’re using ( MacBook Pro 2011 w 4gb of RAM; HP Envy laptop w i7; etc ).
- Describe where your music is stored – this includes hard drive description and interface type (USB, Firewire, etc. If you are using a NAS or any other kind of network storage, be sure to include the information requested in the Network section below)
- Let us know your collection size ( approximate number of tracks )