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.

Cleans up the list of recently opened and saved documents. This list is used by applications when they display the Open or Save dialogs. The list is displayed:

• When you save a picture in Internet Explorer using the Save Picture As... command;
• When you save a document in MS Word;
• When you save the file downloaded from the Internet.

Cleans up XP's prefetch folder. The prefetch folder is used to speed up boot process.

Cleans up the list of programs that were started from the Run dialog (Start -> Run). Note that you may need to restart Windows for the changes to take effect.

Cleans up the list of recently opened documents (Start -> My Recent Documents). You can keep selective documents in the list by clicking the "Keep selective documents" link.

Cleans up the auto complete values for search queries on the computer (Start -> Search).

Cleans up the list of programs you use most often.

Cleans up the MRU (most recently used) lists of a few popular programs.