Rating: 
Summary: $30 price, spent $30 too much
Review: This program is by far one of the worst utility programs I've used. I have had it for six months, and already have had to download several revisions. The Disk Defrag program is terrible, reporting 25-30% defragmentation when Windows XP Defrag and Diskeeper 7.0 finds minimal defragmentation. SM4 Defrag has also 'found' corrupt space on the HD, while Scandisk says all is good. This is only the beginning......I ran the Registry Cleaner program and it removed critical registry portions that are needed to start windows. Probably my mistake, but when you have over 500 lines of registry to review you'd think you could trust it just a little bit. I ended up saving my computer with a tech friend's help, but now I avoid that button like the plague. I can really find nothing good about this program that isn't already on Windows XP, or that you can't get for free somewhere else on the Net. At least I only lost 30 bucks, buyer beware!
Rating: 
Summary: Tune Up Your PC
Review: This utility is about the best application out there for optimizing your computers performance. Your going to be able to clean out unwanted files easily and safely which will increase your PCs speed as well as cleaning out conflicting registry entries that are no longer applicable and cause delays in bootups,shutdowns,and the dreaded system crashes we all have experienced. Other great tools include memory optimizer and disk defragmentation which increase your PCs speed and stability.I had System Mechanic 3.8 installed and thought that it could'nt get any better but I was happily shocked and can honestly say that System mechanic 4 not only is better but has taken performance utility software to the next level.
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