Registry Item remains after cleaning?

I cleaned the Registry and removed some 120 errors. Then as I do went back to check for anything else, just 4 this time. Duly removed and re-checked. Just one item (ActiveX/COM Issue InProcServer32\C:\Windows\System32\ConnectedStorageService.ProxyStub.dll HKCR\CLSID\{B2D2142A-9055-4C37-B3FA-EEFDD4C1DC59}) is the entry. I duly go to clean the item and save it in the reg. I then choose to clean it and yet despite being told it has been saved and cleaned next scan I get the very same entry? Now I have used CC for well several years anyway and have NEVER come across this one before. I have just installed WIN 10 and have noticed several things doing things they shouldn't! But firt time as I say this has occurred? Any one any ideas please?

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http://forum.piriform.com/?showtopic=44150