If you are running it from a menu shortcut then try running it from a terminal instead. If that works then delete the shortcut and recreate it. That worked for me when I had this happen.
Fujitsu Lifebook AH532. Intel i5 processor, 6Gb ram, Intel HD3000 graphics, Intel Audio/wifi. Realtek RTL8111/8168B Ethernet.Lubuntu 13.10,Ubuntu12.10 (Unity), Mint16 (Cinnamon), Manjaro (Xfce).