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Pau Lo

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100 cpu svchost.exe and strange process explorer results

My laptop is running at 100% cpu even before I load any applications. I have done the basics and done full spyware and malware scans... and disabled anything I wasnt sure of for startup in mscofig... done reboots etc and still it persists... i have downloaded sysinternals 'process explorer' and it does show a svchost.exe process 'tree' fluctuating betweem 90 and 96%. When u click the plus sign it shows wuauclt.exe and also taskeng.exe... but neither are using even 1 % of cpu according to process explorer... i tried to kill the process tree in process explorer and it gives 'error opening taskeng.exe...access is denied'... user account is a local admin
 Any views on what could be going on and how to resolve? It is windows 7 64 bit. It has a 'PID' of 824.
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Ramin

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Before making any conclusions, use the SVCHost viewer tool and connect to the problematic SVCHost instance. It will show you the processes running on this service host
Did you try any of the suggestions offered?
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Ramin

Thank you,  I was very pleased to help.
Which suggestion was the solution please.. There were various suggestions, some unrelated from each other. But it might help future EE members resolve a similar issue if they knew which one helped .