Hi Andre, Thanks for a quick response. I have changed settings in games explorer to "never automatically find updates" and "never find art and information about games". I used shellexview; but 95% were microsoft only. remaining consist of winrar, amd, sun, broadcom. should i disable any of these? Meanwhile i found out that presentationfontcache.exe is sometimes coming in process list and taking high CPU like 25, 50 and even 60%. What is this process? It is running as local service. UB