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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IMPORTANT: You may experience problems running CCleaner if your AV definitions are out of date.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 v6.07 - Incorrect Install Dates at Tools | Uninstall

    By lmacri,
    • 1 reply
    • 596 views

  2. Unable to deactivate Performance Optimizer after it's enabled

    By Hmm,
    • 1 reply
    • 518 views

  3. CCleaner keeps skipping Edge

    By ErnieP,
    • 1 reply
    • 413 views

  4. Google Chrome Portable not detected

    By MrRoboto,
    • 7 replies
    • 7.6k views

  5. CCleaner v6.x can't find RESTORO registry settings

    By mikesw,
    • 6 replies
    • 437 views

  6. ccsetup607_slim.exe - doesn't start

    By MWilson,
    • 2 replies
    • 347 views

  7. [lang] [nl] Language bug: Dutch cleaning reminder text falling off the screen

    By riky,
    • 1 reply
    • 261 views

  8. Should not clean My Browser History !

    By thanhtutzaw,
    • 2 replies
    • 459 views

  9. Possible issue with Windows 10 using CCleaner 6

    By Msheff,
    • 3 replies
    • 957 views

  10. Significant delay / freeze when opening CC

    By cavjj,
    • 16 replies
    • 985 views

  11. Possible Issue With New Windows Search Cleaning in v6.06 and Higher

    By lmacri,
    • 6 replies
    • 429 views

  12. App update checker error

    By mhodish,
    • 2 replies
    • 449 views

  13. When I start CCleaner for the first time, it behaves as if it has frozen.

    By Jtree,
    • 3 replies
    • 558 views

  14. Ccleaner v6.07.10191 - adding "Windows Print" to uninstall programs list

    By Anony,
    • 1 reply
    • 785 views

  15. CCleaner not clean Temp folders correctly.

    By TheOwner,
    • 2 replies
    • 619 views

  16. Driver updater offering old versions.

    By Bastet,
    • 11 replies
    • 1k views

  17. CCleaner won't open on Windows on ARM (Surface Pro X) PC

    By bradavon,
    • 9 replies
    • 2.7k views

  18. Icon disappearing from Notification area again.

    By Bastet,
    • 0 replies
    • 176 views

  19. Software updater, under 'tools' for Notepad++ not recognizing 64-bit installer.

    By funduckit,
    • 2 replies
    • 694 views

  20. Banned from help/support pages

    By skepticologist,
    • 3 replies
    • 531 views

  21. Permission Change from 5.91 to 6.05 Portable

    By bgavin,
    • 10 replies
    • 742 views

  22. CCleaner v6.06.10144 (16 Nov 2022) will not run

    By StillTrying,
    • 5 replies
    • 1.5k views

  23. ccleaner smart cleaning does not detect Microsoft edge when closed

    By anouar,
    • 1 reply
    • 320 views

  24. CCleaner 6.06 crashes MS Office & Acrobat Reader

    By Peter N,
    • 6 replies
    • 865 views

  25. One Drive Skipping like defective LP.

    By johnp57,
    • 2 replies
    • 338 views

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