Go to
Start-->click search box--> type "run" & then enter
Run box appear
Type “temp” and click enter delete all the files
in temp
Type “%temp%” and click enter delete all the
files in this folder
Type “prefetch” and click enter delete all the
files in this folder
Type”msconfig” go to startup disable all program
& click OK
Delete all the history in your browser(Google
Chrome or Internet Explorer)