LockAnEXE 

LockAnEXE is a simple EXE securtiy tool that lets you 'lock' down executable files including setup files and prevents them from being opened.
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WinXP Manager 

Offers an easy way to optimize, tweak, clean up Windows XP. It bundles more than 28 different utilities in one! Get access to hundreds of hidden options, clean registry and junk files, speed network, uninstall smartly and many other utilities.
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Password Protected Lock 

Password Protected Lock is an excellent security computer lock you can use to secure your PC and protect your privacy. It is attractive, secure, and very easy to use. It starts automatically with Windows and optionally activates desktop lock...
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