Roy: Na obecnou otázku obecná rada z netu: This probably means some startup program or service is somehow broken. Have you recently deleted a spyware, tray app, or the like, done a virus scan and removed one, uninstalled something, etc? If so, try regscrub to clean out any residual commands to load the program or part of it. Also download xteq and see what loads at boot and remove any you do not need.
If you notice a specific thing that causes it (starting IE, logging in, running some specific app, etc) let us know. If its after the computer is idle, check your screen saver. Do a full reboot if you have not. all the usual stuff here, but we dont have much to go on.
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