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IMPORTANT: Users are reporting that recent versions of CCleaner do not open when their AV is out of date.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

6,763 topics in this forum

  1. Ccleaner crashes!

    By jboelaert,
    • 4 replies
    • 189 views

  2. CCleaner corrupting Office 365 Intsallation

    By david88446,
    • 6 replies
    • 598 views

  3. cookies error

    By George1,
    • 1 reply
    • 170 views

  4. File system error (-1073741819)

    By BS OConnor,
    • 2 replies
    • 164 views

  5. Windows Recycle unknown command

    By ccleaneruserwin10,
    • 0 replies
    • 131 views

  6. Registry Option /AUTO or /AUTOS

    By gofo,
    • 15 replies
    • 273 views

  7. Can't uninstall CCleaner.

    By Sniktbub,
    • 13 replies
    • 1,702 views

  8. Scheduled cleanup not working

    By Bucky Kid,
    • 5 replies
    • 241 views

  9. slowed computer

    By Ruth Ann Worden,
    • 2 replies
    • 172 views

  10. Analyzer Disk makes CCL ahng out

    By Antonio Martin,
    • 3 replies
    • 173 views

  11. CCleaner 5.63.7540 crashes on Tablet running Windows 8.1 Pro and desktop W8.1Pro

    By pvbugfixer,
    • 1 reply
    • 92 views

  12. STOP BUGGING ME ABOUT UPDATES

    By TonyinCNY,
    • 4 replies
    • 1,054 views

  13. CCleaner install/uninstall problems

    By Icebear,
    • 5 replies
    • 184 views

  14. Ccleaner broke my Chrome

    By Dan S,
    • 2 replies
    • 115 views

  15. Ccleaner has quit unexpectedly

    By lmmv,
    • 13 replies
    • 7,116 views

  16. Drive Wiper bluescreen then virus warning

    By Reactive,
    • 1 reply
    • 113 views

  17. Can't keep updates past 5.60

    By Professor_atom,
    • 1 reply
    • 145 views

  18. Laura L

    By Laura L,
    • 0 replies
    • 100 views

  19. Pre-launching and pre-loading

    By jhaber,
    • 9 replies
    • 216 views

  20. Google Code cache not cleaned

    By fdante,
    • 2 replies
    • 291 views

  21. Recycle bin context menu bug

    By Yaroslav Ovcharov,
    • 4 replies
    • 101 views

  22. Cleaning Hangs on Clipboard

    By roadrabbit,
    • 3 replies
    • 263 views

  23. Script Error

    By Nesledyret,
    • 16 replies
    • 1,272 views

  24. Cannot install CCleaner 5.63

    By Rassilon,
    • 4 replies
    • 460 views

  25. ccleaner

    By Denis m,
    • 15 replies
    • 287 views
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