I've read up on some people having issues of not being able to use the mouse, especially while using setpoint, but the issues I'm having is a bit different. The mouse works just fine under my standard setpoint settings until I press any key on the keyboard. After I press a key the mouse will stop responding until I alt-tab out and swap back in by clicking on the DK2 tab on the taskbar. Running Win7 64bit. Any help resolving this would be appreciated.

Edit: I've resolved the issue now, it was a conflict with Synergy.