Hi


I am using win 7  pro on 3 Ghz P4 1 gb ram. whenever i start my windows, it starts normally but as soon as i open a application, cpu usage goes into 100% usage with explorer.exe as 100%.
I have scanned my hard drive by  mechanic 5,trojan remover,panda antivirus but nothing helped me out. my computer goes very slow whenever i run any application or goes to internet. help me out..i have searched on the net for this problem but couldn't find any solution..

Regards,
jon

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