Follow this steps:
- Right click on an empty spot on your desktop and select New – Shortcut.* Type %windir%\system32\rundll32.exe advapi32.dll,ProcessIdleTasks in the box.* Click Next.* Give your shortcut a nice name like “Clear Memory”.* Click Finish and you’re done. Now whenever your computer starts running slow click this shortcut to clear out your memory and get your computer running at a normal pace again.