High CPU usuag

Hi There,

 

I am having great difficulty with my computer after downloading the Norton Antivurus 2013 product. I have moved to a devloping nation where internet viruses are rife so i thought it would be wise to install nortons antivirus. There was a gap of about two days where my previous subscription to Norton 360 ran out and when I installed Antivirus, neadless tosay I have scanned my PC thoroughly and havent found any viruses. The problem I am facing is after I have my PC running for more than 5 mins I receive an alert of high CPU usage and it starts running really slowly and almost becomes impossible to use. I have tried unistalling unused programs but that doesnt seem to work??

 

Any help would be grealty appreciated as this problem is driving me nuts and I cannot get anything done. 

 

Thanks,

 

Cassidy.