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CCleaner Bug Reporting

Is CCleaner not working properly on your system? Then let us know (with details to help us hunt down the problem).
IMPORTANT: Users are reporting that recent versions of CCleaner do not open when their AV is out of date. If your CCleaner 5.65 has stopped working and you are using an old version of Trend Micro antivirus protection, you will need to update your Trend Micro from here https://esupport.trendmicro.com/en-us/home/index.aspx.

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7,013 topics in this forum

  1. Wont hibernate after running CCleaner.

    By markfleener,
    • 7 replies
    • 228 views

  2. Microsoft Edge taking too long to clean?

    By markfleener,
    • 19 replies
    • 698 views

  3. stop the CCLeaner-pop-up harassment for existing customers

    By Peter R Keus,
    • 13 replies
    • 624 views

  4. CCleaner not deleting all cookies

    By Moondoggy,
    • 1 reply
    • 328 views

  5. Drive Wiper

    By Wegie,
    • 1 reply
    • 179 views

  6. CCleaner32&64 v.5.64.0.7613(Free) start, any update crash after a few secods

    By papatermi2020,
    • 9 replies
    • 518 views

  7. Duplicate menu item problem

    By circcc,
    • 2 replies
    • 218 views

  8. CCleaner v5.71.7971 64 Bit duplicate entries under advanced cleanup

    By SilverAmd,
    • 4 replies
    • 257 views

  9. CCleaner Server 2003 support

    By garyoldman,
    • 0 replies
    • 169 views

  10. CCleaner64 v5.70.7909(Free) won't start - license file does not exist

    By ErrorReporting,
    • 10 replies
    • 490 views

  11. Run Time User Interface Screen Changed

    By Chip10,
    • 6 replies
    • 295 views

  12. CCleaner duplicates all items on selection window

    By dustinc,
    • 7 replies
    • 386 views

  13. Problem with livemarks addon -firefox

    By ralfy,
    • 4 replies
    • 244 views

  14. ccleaner recent files 1 2

    By hsl,
    • 34 replies
    • 2.1k views

  15. Installs, but only runs immediately after install.

    By BobK,
    • 8 replies
    • 380 views

  16. Asking to make changes

    By Steve L,
    • 6 replies
    • 357 views

  17. Re: CURRENT Version of CCleaner Pro Skips Cleaning Chrome

    By prston,
    • 5 replies
    • 388 views

  18. Can't access the server

    By LukaJones,
    • 1 reply
    • 199 views

  19. Ccleaner ver 5.70.7909 (64 bit) doesnt clean chrome

    By mhjkn,
    • 1 reply
    • 233 views

  20. CCleaner Professional only partially works

    By coykoicourtney,
    • 4 replies
    • 370 views

  21. Computer improvement process

    By Marino Garcia,
    • 2 replies
    • 219 views

  22. ccleaner wrongly nagging about suspected commercial use

    By Marc Elser,
    • 2 replies
    • 220 views

  23. CCleaner partially disables SpywareBlaster protection of Firefox, redux

    By akaArturoK,
    • 4 replies
    • 352 views

  24. CCleaner Issue causes Start not to work.

    By Rayden,
    • 3 replies
    • 224 views

  25. DetectOS [Fixed in v5.70]

    By APMichael,
    • 17 replies
    • 1k views
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