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CCleaner Help Requests

Need help installing or using CCleaner on your PC? Be sure to check the Frequently Asked Questions collection from the Piriform support website. If you need information on your paid CCleaner licences, expiry dates, registration information and download links you can get that directly from https://www.ccleaner.com/support/license-lookup. Can't find the answer in the FAQ files? Maybe it has already been asked and answered here - or start your own thread.
IMPORTANT: Users are reporting that recent versions of CCleaner do not open when their AV is out of date.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.

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826 topics in this forum

  1. CCleaner does not remove all privacy trackers [Solved]

    By Nathaniel,
    • 6 replies
    • 613 views

  2. CCleaner (Free Version) Install

    By Scott Demoing,
    • 3 replies
    • 183 views

  3. Suddenly, I'm a business

    By iamwotiam,
    • 20 replies
    • 865 views

  4. Taskbar Jump Lists

    By Brownmic,
    • 1 reply
    • 176 views

  5. Installing CCleaner on a 4th computer

    By Kezooz,
    • 0 replies
    • 143 views

  6. CCleaner 5.697865 64bit does not save the "Ignore User Control Warning" setting

    By kRel,
    • 2 replies
    • 235 views

  7. ccleaner 删除的文件如何恢复

    By longzhuchao,
    • 3 replies
    • 215 views

  8. Updating the Portable version of CCleaner

    By Aelson,
    • 2 replies
    • 248 views

  9. How do I delete the autorenewal

    By 4045 LLC,
    • 2 replies
    • 271 views

  10. Ccleaner Subscription expiry Date Incorrect

    By Dusty54,
    • 7 replies
    • 316 views

  11. v5.69 is slowing down and then freezing my computer.

    By Bethy54,
    • 21 replies
    • 639 views

  12. 100% but no finish screen

    By librarianonloan,
    • 0 replies
    • 140 views

  13. Ccleaner wipes Bypass Paywalls settings

    By barryc808,
    • 3 replies
    • 175 views

  14. 30 digit cookies

    By brucepascal,
    • 2 replies
    • 160 views

  15. CCleaner Professional 5.69.7865 (64-bit) Isn't Clearing In-Program File Lists

    By masteryoda1041,
    • 2 replies
    • 276 views

  16. CCleaner 5.69.0.7865

    By lvsunz37,
    • 14 replies
    • 534 views

  17. Hanging at 93% on health check

    By PeteT,
    • 1 reply
    • 214 views

  18. Error code: 0x80040c01

    By John Nolan,
    • 0 replies
    • 233 views

  19. Accidentally deleted entry in Programs to Remove list

    By Amzel01,
    • 9 replies
    • 436 views

  20. Install prob with 5.69

    By notsohandy,
    • 8 replies
    • 299 views

  21. Update from pro to pro plus?

    By klaus1003,
    • 1 reply
    • 177 views

  22. Registry question

    By Tks95747,
    • 2 replies
    • 153 views

  23. Install help

    By airbus330,
    • 6 replies
    • 203 views

  24. Ccleaner installer has stopped working

    By john michaels,
    • 7 replies
    • 298 views

  25. Mismatched name in registration

    By Robert LeBoeuf,
    • 3 replies
    • 265 views
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