Computer starts up not too bad. in my user name the slowest when im opening 'windows task manager', processors(running 81 processors) CPU usage showing 4%, 6%..... when im trying to open my documents, my computer, control panel, internet and so on, CPU usage still shows 100%. computer is serching but very slow and come into freezing position. in windows task manager CPU usage 100%, whereas iexplorer.exe has memory usage of around 125 600(should there be a comma between the numbers like in other user names 126,600?), and CPU around 94. what can be the problem? what goes into explorer that could be taking so much space?