The file noted is your display driver. Have you tried updating the driver or have you recently updated the driver? If so maybe you used the wrong driver.
If you just installed spysweeper and this happened, then I certainly would uninstall that program and see if it makes a difference. Plus you say this is a beta version of spysweeper, beta means it is not the finished product, so to speak, it is still being tested.
Have you checked the Event Log to see what shows there concerning your error? Control Panel, Administrative Services, Event Viewer.
The java you should be using is SunJava