'Usb Pc Lock Pro', and 'Pc Accelerate'

Usb Pc Lock Pro

Turns any USB Flash Drive into a key that prevents unauthorized people from using your computer. USB PC Lock will automatically lock your computer and perform other actions when you step away from it.

http://www.speedapps.com/index.htm

Pc Accelerate

PC Accelerate increases the priority of foreground windows and optimizes their memory status, allowing you to work with maximum performance.

http://www.new-utilities.net/index.html