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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IMPORTANT: Users are reporting that recent versions of CCleaner do not open when their AV is out of date.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.

Followers 11

6,899 topics in this forum

  1. CCleaner marked as riskware, pls explain

    By GoodDog,
    • 11 replies
    • 11.9k views

  2. Unremovable Registry Entires 1 2

    By war59312,
    • 33 replies
    • 11.8k views

  3. v5.10.5373 slow to launch 1 2 3

    By nukecad,
    • 74 replies
    • 11.7k views

  4. CCleaner Does not Clean Browsing History

    By tdl,
    • 17 replies
    • 11.6k views

  5. 5.46 Latest Version Unwanted and Problems 1 2 3 4

    By ArchAngle,
    • 84 replies
    • 11.5k views

  6. Volume doesn't contain recognized file system

    By trose,
    • 12 replies
    • 11.4k views

  7. CCleaner is incredibly slow now

    By Dark_Sage,
    • 5 replies
    • 11.3k views

  8. Windows cannot start the Windows Firewall/ICS service.

    By occam,
    • 3 replies
    • 11.2k views

  9. When I compact Chrome databases (NOT delete history) I can't search history any more

    By scottedwards2000,
    • 16 replies
    • 11.2k views

  10. Ccleaner - Startup reading

    By natalia1,
    • 4 replies
    • 11.1k views

  11. CCleaner Freezes / Locks Up (SOLVED)

    By Average User,
    • 0 replies
    • 10.9k views

  12. Computer won't start after running CCleaner. HELP!

    By wembley61,
    • 8 replies
    • 10.8k views

  13. Problem cleaning Recycle Bin in 3.11.1550 under XP 1 2

    By RunAmok,
    • 46 replies
    • 10.7k views

  14. "Skip UAC" for all user accounts

    By srwpchelp,
    • 6 replies
    • 10.6k views

  15. CCleaner deletes MS Word data key in registry

    By srdiamond,
    • 8 replies
    • 10.6k views

  16. [2.19.900] Deleting Firefox Saved Passwords 1 2

    By Jahamaville,
    • 30 replies
    • 10.5k views

  17. CCleaner V4.09 contains trojan virus

    By Chouette,
    • 20 replies
    • 10.5k views

  18. Skip UAC Invalid Parameter on Windows 8 Pro x64 1 2

    By Sinderan,
    • 26 replies
    • 10.4k views

  19. Cookies Not Being Deleted From Delete Listing 1 2 3

    By Steven_Todd,
    • 52 replies
    • 10.3k views

  20. Running CCleaner as a scheduled task ... not working

    By GJim,
    • 9 replies
    • 10.3k views

  21. "Wipe Free Space" will not run unless "Wipe MFT Free Space" is checked.

    By Spiff,
    • 2 replies
    • 10.1k views

  22. Help Me Please 1 2

    By krit86lr,
    • 35 replies
    • 10k views

  23. Hotfix Uninstaller problem

    By medab_1,
    • 14 replies
    • 9.9k views

  24. Display Recent Documents

    By nickanis,
    • 14 replies
    • 9.8k views

  25. Checking "Internet History" under "Chrome" when cleaning will result in all Chrome extensions and preferences being deleted.

    By -Alexander-,
    • 6 replies
    • 9.8k views
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