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CCleaner v5.63 destroy MSOffice after cleaning

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CCleaner v5.63 destroy MSOffice after cleaning.

After the cleaning with v5.63 I can't open any xlsx-, docx-, etc. file (MSOffice).

After some restarts and reparing function from MSOffice all is OK.


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It sounds like you used the registry cleaner and wiped out the file associations for those filetypes, repairing MS Office reset the associations.

Registry cleaning is not something you should do on a regular basis, it's a specialist tool for trying to repair a broken computer.
It will not 'speed-up' your computer or make it run any better.

You should especially avoid running any registry cleaner if you are using Windows 10.

Here's what Microsoft have to say about it:

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