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<blockquote data-quote="roger_m" data-source="post: 940817" data-attributes="member: 31436">It&#039;s not.&nbsp; It has minor issues with false positives.&nbsp; There are a few registry cleaners which don&#039;t and as a result, will never think that a valid registry key should be deleted.&nbsp; It&#039;s possible that there are very rare cases that they may want to delete valid registry keys.&nbsp; But those instances would be exceptionally rare.My opinion is based on testing registry cleaners on many computers and manually verifying the scan results to see if they want to delete any valid registry keys.&nbsp; Every time I&#039;ve tried CCleaner in the last few years, it has wanted to delete some valid registry keys.&nbsp; Deleting valid registry keys, won&#039;t always cause problems, as you&#039;ve seen with CCleaner, but it can do.I just ran a scan with all categories checked, and got a single false positive from the &quot;Applications&quot; section.</blockquote>

[QUOTE="roger_m, post: 940817, member: 31436"] It's not. It has minor issues with false positives. There are a few registry cleaners which don't and as a result, will never think that a valid registry key should be deleted. It's possible that there are very rare cases that they may want to delete valid registry keys. But those instances would be exceptionally rare. My opinion is based on testing registry cleaners on many computers and manually verifying the scan results to see if they want to delete any valid registry keys. Every time I've tried CCleaner in the last few years, it has wanted to delete some valid registry keys. Deleting valid registry keys, won't always cause problems, as you've seen with CCleaner, but it can do. I just ran a scan with all categories checked, and got a single false positive from the "Applications" section. [/QUOTE]

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