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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IMPORTANT: You may experience problems running CCleaner if your AV definitions are out of date.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. CCleaner 6.06 : Check for update not working any more

    By Dachstein,
    • 3 replies
    • 396 views

  2. CCleaner upon loading is enabling the disabled Windows Restore feature..

    By Melchior,
    • 16 replies
    • 3k views

  3. CCleaner V6.05.10110(64 bit) not able to clear all Cookies data at Google Chrome

    By Gil Ong,
    • 20 replies
    • 1.7k views

  4. Cannot delete CLSID _Long time Problem

    By JCPayne,
    • 1 reply
    • 390 views

  5. 10 seconds to load?

    By Spagman,
    • 2 replies
    • 593 views

  6. Side effect of running Make it better after Health Check

    By Paul444,
    • 9 replies
    • 579 views

  7. CCleaner shows error opening file for writing when try to update.

    By kockarche,
    • 8 replies
    • 1.6k views

  8. Deleting selected files after finding duplicate files research: not working

    By LeJulien,
    • 4 replies
    • 851 views

  9. CCleaner Activation

    By SB63,
    • 1 reply
    • 412 views

  10. "CCleaner could not be updated.", manual check for updates fails..

    By Melchior,
    • 9 replies
    • 991 views

  11. Performance Optimizer Error

    By jango1242,
    • 2 replies
    • 569 views

  12. Registry Cleanup Question

    By dadreuter,
    • 1 reply
    • 425 views

  13. Fix it or refund

    By Mr_Skulls,
    • 1 reply
    • 328 views

  14. Have been trying to delete this Registry File for ages. Any help appreciated.

    By Bushranger351,
    • 1 reply
    • 594 views

  15. double updating continues, find programs that i dont have also?

    By user20182019,
    • 4 replies
    • 450 views

  16. CCleaner not compatible with Windows 11 v22H2

    By Sylver Cheetah 53,
    • 4 replies
    • 809 views

  17. Reinstalling Norton

    By crockhamtown,
    • 2 replies
    • 510 views

  18. Silent installation is only supported in Nmap OEM - https://nmap.org/oem/ ???

    By TonyCzar,
    • 3 replies
    • 544 views

  19. CCleaner will turn on system protection that is off as soon as CCleaner starts

    By N_O_I_D,
    • 1 reply
    • 519 views

  20. File or Directory corrupt after running CCleaner

    By B Jones,
    • 4 replies
    • 1.3k views

  21. Serious Bug in latest CCleaner Free Version

    By UKSparky,
    • 1 reply
    • 1.1k views

  22. MSI Afterburner update

    By Fludz,
    • 5 replies
    • 874 views

  23. Problem with Trial

    By AlexPaolucci,
    • 2 replies
    • 511 views

  24. CCleaner in System Tray after closing program.

    By ChrisM2197,
    • 3 replies
    • 1.3k views

  25. pop ups

    By sussertown,
    • 11 replies
    • 1.8k views
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