In addition to older versions of Windows, the new Ashampoo WinOptimizer 4 is fully compatible with Windows Vista in both the 32 and 64 bit versions. This means that you can start maintaining your slick new Vista system right away--it won't even have a chance to get clogged down with new garbage. In addition to Vista compatibility, WinOptimizer 4 also comes with three new modules, a brand-new hard disk defragmenter, a huge number of new system tweaking options and many other improvements and enhancements. The new version includes three new modules and a completely new Vista-compatible version of the disk defragmenter. In addition to this a very large number of new options has been added to the popular Tweaking Tools module--you can now adjust well over 400 Windows system settings.

Version 4.41 fixed a possible display problem, startup problem, 'BlueFindDeviceClose' bug; improved 'system info' module.

Editor's review of Ashampoo WinOptimizer PC tune-up

Keeping your car running like a champ requires a bit of maintenance now and again. When that time arises, you want to take your beloved to a mechanic you trust. The same holds true for your computer. You'll want to use a trusted maintenance/optimization suite, one that has done you right in the past and has kept your operating system healthy.

Enter Ashampoo WinOptimizer Platinum Suite. With a gorgeous interface and the simple One-Click Optimization feature, the app expands on its already-good reputation with an eye-catching product. WinOptimizer offers Drive Cleaner, Registry Cleaner, Internet Cleaner, Internet Tuner, File Associator, DLL Cleaner, File Wiper, and Start-Up Tuner. Each of the eight tools features a metallic interface, a nice overview, a warning where applicable, and a large Start button.

WinOptimizer safeguards potentially dangerous tools such as Registry Cleaner and DLL Cleaner by flagging only items that can be deleted without worry. One-Click Optimization is the safest bet for a quick checkup, running all the tools in one swoop. Novice users will appreciate the ease of use while pro users will find plenty of ways to get their hands dirty.