CCleaner

Crap Cleaner cleans your system of Temporary Internet files, cookies, history and other Window files.

Codestuff Starter

Codestuff Starter is a startup manager for Windows.
Starter supports the most common operations over the programs that are executed by Windows. Includes but not limited to: add new items, delete and edit existing items, temporarily disable and enable items.

ShellExView v1.10

The ShellExView utility displays the details of shell extensions installed on your computer, and allows you to easily disable and enable each shell extension.