A Vista registry checker is different than a Windows XP registry checker or any other operating system’s registry checker for that matter. Like anything else Vista, a registry cleaning program is a much more advanced piece of software than its predecessors. In fact, until recently it was difficult to find a registry cleaner that was capable of scanning for and 
repairing registry errors on a Windows Vista registry.
Now, most of the top registry cleaners are Vista ready. Still, it is important to make sure your registry scan and check program is Vista ready before you try to use it on a Vista operating system.
Just like it is impossible to use Vista on an old computer, it is impossible to use an older registry cleaner on Vista.
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