windows office: Please help.. my pc restarts every2-3hours OS= windows 7 Enterprise. All this started after i downloadrd and installed Microsoft offices 2010 beta from microsoft them self. Please help!!!!!!!!!!|||Why is this in the dancing cateory???|||have u activated ur windows 7 cuz The beta version of Windows 7 has a 2 hour timeout built in. it will trigger when u have 1 month till ur activation expire the other salutation if u have genuine win7 try to change ur sleep/hibernate settings if didn't work try this -- Click Start, type msconfig.exe in the Start Search box, and then press ENTER. If you are prompted for an administrator password or for confirmation, type your password, or click Continue. b. On the General tab, click the Normal Startup option, and then click OK. c. When you are prompted to restart the computer, click Restart. I DON'T RECOMMEND CLEANING UR PC BY UR SELF IF U DON'T HAVE ANY EXPERIENCE U MIGHT GET HURT BY DOING IT !!! KIDS DON'T TRY THIS AT HOME|||Clean the heatsink and fans.