Jozef Alaers Posted June 27 Share Posted June 27 I have been using CCleaner Professional for many years. I never encountered this problem. Another Microsoft 365 user advised me to delete the CCleaner app from my system and try again. After I deleted CCleaner, the Microsoft 365 apps opened normally, no need to pen as administrator. Anyone recognizes this problem? Link to comment Share on other sites More sharing options...
Moderators Nergal Posted June 27 Moderators Share Posted June 27 2 hours ago, Jozef Alaers said: I have been using CCleaner Professional for many years. I never encountered this problem. Another Microsoft 365 user advised me to delete the CCleaner app from my system and try again. After I deleted CCleaner, the Microsoft 365 apps opened normally, no need to pen as administrator. Anyone recognizes this problem? I can't reconstruct this on my pc. Are you using custom clean or health check? Are you using the registry section? Performance optimizer? ADVICE FOR USING CCleaner'S REGISTRY INTEGRITY SECTION DON'T JUST CLEAN EVERYTHING THAT'S CHECKED OFF. Do your Registry Cleaning in small bits (at the very least Check-mark by Check-mark) ALWAYS BACKUP THE ENTRY, YOU NEVER KNOW WHAT YOU'LL BREAK IF YOU DON'T. Support at https://support.ccleaner.com/s/?language=en_US Pro users file a PRIORITY SUPPORT via email support@ccleaner.com Link to comment Share on other sites More sharing options...
Moderators hazelnut Posted June 28 Moderators Share Posted June 28 Also have a read here where CC is mentioned. https://answers.microsoft.com/en-us/msoffice/forum/all/microsoft-office-will-only-open-if-run-as/402aef16-3373-4476-a82f-7244556f62f4 Support contact https://support.ccleaner.com/s/contact-form?language=en_US&form=general or support@ccleaner.com Link to comment Share on other sites More sharing options...
Moderators nukecad Posted June 28 Moderators Share Posted June 28 Are you putting MS 365 apps to 'sleep' with Performance Optimiser, and so then need Admin permission to re-awaken it? Oops, Hazelnut already said that - see the link above. *** Out of Beer Error ->->-> Recovering Memory *** Keep getting logged out of websites? See this link: https://community.ccleaner.com/topic/67601-saved-passwords/#comment-349999 Worried about 'Tracking Files'? Worried about why some files come back after cleaning? See this link: https://community.ccleaner.com/topic/52668-tracking-files/?tab=comments#comment-300043 Link to comment Share on other sites More sharing options...
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