Diagnostic Software

Use the CNET Download.com Diagnostic Software listings to find the best PC diagnostics for evaluating, monitoring, and optimizing your Windows system. Boost RAM or find top-rated Registry cleaners. For more diagnostic software resources, visit the most popular diagnostic software pages or find the newest diagnostic software releases.

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Sponsored Advanced Registry Optimizer 5 Back up, clean, and optimize your Windows registry. Read editor's review...	CNET Review: User rating:	05/02/2007	334,009	Download Now
Sponsored PC Doc Pro 3.7 Improve your system performance by fixing invalid entries in the registry.	User rating:	12/21/2007	373,050	Download Now Buy Now
Sponsored MemTurbo 4.1 Optimize memory and manage computer's cache. Read editor's review...	CNET Review: User rating:	06/28/2007	1,621,746	Download Now
Sponsored 1 Click PC Fix 3.5 Repair your computer with one click of a mouse.	User rating:	12/21/2007	212,816	Download Now Buy Now
Sponsored Windows Doctor 1.7.0.3 Scan your system, and clean up your registry and cache.	User rating:	03/07/2008	11,069	Download Now
Vista Manager 1.5 Get access to hidden options of Windows Vista to optimize, tweak, and tune up your system.	User rating:	05/09/2008	72,795	Download Now Buy Now
Moleskinsoft Directory Size 1.8 Find out the total size of your files and folders and the distribution of your disk space.		05/08/2008	714	Download Now
CleanCenter 1.77.2 Find and delete unwanted files on your hard disk.	User rating:	05/07/2008	733,226	Download Now
MemOptimizer 3.10 Free up your PC's memory locked by executed applications.		05/07/2008	6,565	Download Now
Best Vista Tune Free 1.1.1 Tune, tweak, and optimize your Windows Vista.		05/07/2008	138	Download Now