How do you free up memory on Windows XP?

1. Right click on an empty spot on your desktop and select New - Shortcut. 2. Type %windir%\system32\rundll32.exe advapi32.dll,ProcessIdleTasks in the box. 3. Click Next. 4. Give your shortcut a nice name like "Clean Memory" 5. Click Finish and you're done. Now whenever your computer starts running slow click this shortcut to flush everything out of memory