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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IMPORTANT: You may experience problems running CCleaner if your AV definitions are out of date.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. Chrome already closed

    By Monty42,
    • 2 replies
    • 685 views

  2. Zona del registro que tengo en exclusión...

    By antonio_el_cubano,
    • 0 replies
    • 548 views

  3. Today, after a large Windows update, my CC Cleaner pro works except DRIVE WIPE

    By Texas,
    • 1 reply
    • 597 views

  4. CCleaner not deleting all cookies

    By Moondoggy,
    • 9 replies
    • 5.3k views

  5. Wipe Free Space - Temporarily disabled

    By Hmm,
    • 1 reply
    • 553 views

  6. Windows 10 HKLM registry keys not honoured for non-admin users

    By Alain NISSEN,
    • 6 replies
    • 2.2k views

  7. Cannot Prevent Smart Monitor From Running - Oh, and a good rant...

    By Dave Goober,
    • 1 reply
    • 730 views

  8. Uninstall features.

    By Messiness,
    • 1 reply
    • 288 views

  9. Cannot install free home CCleaner

    By IQuqa,
    • 6 replies
    • 702 views

  10. CCleaner Pro failing to start at system boot.

    By rbasham,
    • 4 replies
    • 728 views

  11. WIN 10 updates cause constant rebooting - Microsoft blames CCleaner. . .?

    By ttatum,
    • 9 replies
    • 1.5k views

  12. CCleaner keeps being uninstalled

    By Yossarianlite,
    • 2 replies
    • 782 views

  13. Ccleaner doesn't clean Microsoft Edge anymore.

    By YLTKDY,
    • 3 replies
    • 5.4k views

  14. Can't wipe hard drive version 5.78

    By rw330,
    • 12 replies
    • 2.7k views

  15. v5.75.8238 cookie problems

    By magic144,
    • 9 replies
    • 1.4k views

  16. Can't run under Windows 10

    By Pierre42,
    • 3 replies
    • 637 views

  17. Look they always return!

    By johnp57,
    • 2 replies
    • 568 views

  18. CCLeaner - V5.48.8558 Will Not Install

    By PLCMAN,
    • 1 reply
    • 647 views

  19. Smart cleaning of browser data kills CCleaner

    By gmxd,
    • 4 replies
    • 648 views

  20. v5.77.8521 (64-bit) License Expired Renew License Error (Windows 7)

    By Pciportal,
    • 1 reply
    • 388 views

  21. Health Check Security grey / "unable to reach server"

    By CWFreack,
    • 20 replies
    • 3.6k views

  22. Upgraded to newest Version - Smart cleaning after closing browser doing nothing

    By GeneralLee01,
    • 5 replies
    • 919 views

  23. Cookie search box cuts off first character, & 'odd' cookie names. [Explained].

    By troubleshooter75,
    • 7 replies
    • 1.4k views

  24. uninstalled programs still shown in search windows 10

    By IsZar,
    • 5 replies
    • 940 views

  25. Just updated to version 5.77.8521 It skips Edge Chrome

    By rabramson,
    • 5 replies
    • 4.2k views
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