Cleans up the Windows Temp folder. Temporary files are usually created when you are installing software. Various programs also use this folder to store temporary information.
Enabling this option may cause some installation programs to fail after restarting Windows. It is highly recommended that you enable the Delayed Cleaning option as well. This will make IE Privacy Keeper delete a temporary file only if it exists on your computer longer than the specified amount of time (30 minutes is usually enough).
You can keep certain files and folders in the Temp folder by specifying them in the Exceptions window.