Program Crash

Hello
When I using this superb program and listening to music and Alt, Tab out of it. If I re-open after couple song later the Program dont recover? Is this a known issue?

I using XBMC and Wizard Hub
System
i5 2500k
Asrock Z68
HD7950
8GB Ram
SSD Windows drive + small Programs like XBMC
2TB Data Drive

Thanks