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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 to solve it for you and for others).
IMPORTANT: You may experience problems running CCleaner if your AV definitions are out of date. If your CCleaner 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.

7,540 topics in this forum

  1. Cookie cleaning not working properly in Chrome

    By Hmm,
    • 7 replies
    • 1.2k views

  2. Annoying CCleaner

    By Dani83,
    • 4 replies
    • 895 views

  3. Pro verzió aktiválási probléma

    By Pilu,
    • 3 replies
    • 733 views

  4. Doesn't See Firefox App

    By tw33k,
    • 11 replies
    • 1.6k views

  5. error 87 when removing System Restore point

    By hwpratt,
    • 1 reply
    • 885 views

  6. Notifications Every Blocking Action

    By Haiweepp,
    • 8 replies
    • 1.1k views

  7. Version 5.86 does not correctly recognize the version of Windows

    By ConFran,
    • 2 replies
    • 679 views

  8. Smart Clean not working

    By Dynamic,
    • 5 replies
    • 1.7k views

  9. Windows shuts down

    By sussertown,
    • 4 replies
    • 834 views

  10. Crash

    By johnp57,
    • 2 replies
    • 786 views

  11. "Back to Health Check" button gone.

    By ffpcs,
    • 1 reply
    • 620 views

  12. CCleaner Professional V5.83.9050 closes unexpectedly

    By dan11,
    • 8 replies
    • 983 views

  13. CCleaner corrupting Office 365 Intsallation

    By david88446,
    • 13 replies
    • 3.4k views

  14. "Click here to install" on Edge (Chromium) on the download page

    By Friznutz,
    • 2 replies
    • 580 views

  15. duplicate finder is reporting some pdf files as duplicates when they are not.

    By seantrish,
    • 4 replies
    • 907 views

  16. Can't uninstall CCleaner

    By Lavit,
    • 1 reply
    • 814 views

  17. Ccleaner detected as malicious by windows defender

    By lazybear,
    • 1 reply
    • 629 views

  18. Problem with Ccleaner & Firefox

    By shortstop,
    • 15 replies
    • 1.4k views

  19. Driver Update list growing wild

    By JoergS,
    • 0 replies
    • 582 views

  20. CCleaner Free Version 5.86.9258 Not Closing in Windows 11

    By br549,
    • 2 replies
    • 866 views

  21. Incomplete cookie cleaning in Chrome 95.0.4638.69 and CCleaner 5.86.9258

    By Hmm,
    • 1 reply
    • 675 views

  22. CCleaner Free Version 5.86.9258 Not Removing All Google Chrome Cookies

    By PinguJohn,
    • 5 replies
    • 901 views

  23. CCleaner broke all Chrome-Based Browsers on my pc 1 2

    By trav1s,
    • 32 replies
    • 4.5k views

  24. CCleaner 5.86 and Windows 11

    By Big_Dave,
    • 4 replies
    • 3.2k views

  25. CCleaner didn't start after closing Chrome browser in windows 11

    By Mika S,
    • 4 replies
    • 683 views
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