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CCleaner

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Customers with an active paid CCleaner subscription can also get direct personal priority customer support here.

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    IMPORTANT: Users are reporting that recent versions of CCleaner do not open when their AV is out of date.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

    35,785
    posts

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    IMPORTANT: Users are reporting that recent versions of CCleaner do not open when their AV is out of date.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

    2,267
    posts

  3. CCleaner for Mac

    Post bug reports, suggestions and questions about the Mac version of CCleaner. CCleaner for Mac 1.17, with support for MacOS Catalina was released in August 2019 - if you are having troubles updating from within the product you can download the latest version from https://www.ccleaner.com/ccleaner/download?mac

    1,444
    posts

  4. CCleaner for Android

    Post bug reports, suggestions and questions about CCleaner for Android.

    512
    posts

  5. Network Edition

    Discuss anything related to the Network Edition of CCleaner (Business Product)

    83
    posts

  6. CCleaner Suggestions

    Post your suggestions for CCleaner improvements and new features.  The developers keep an eye on this forum for new ideas.  If your suggestion is popular, it may find its way into a future version of CCleaner!

    15,482
    posts

9,743 topics in this forum

  1. KAS

    By Kas777,
    • 0 replies
    • 185 views

  2. How to disable pre-launching and pre-loading so CCleaner can fully clean Edge

    By Moondoggy,
    • 10 replies
    • 7,200 views

  3. Costs after first year

    By Steven1964,
    • 3 replies
    • 423 views

  4. System Restore

    By Optimizer,
    • 8 replies
    • 2,279 views

  5. CCleaner licence server issues

    By BABYPULL,
    • 3 replies
    • 205 views

  6. Wiping free space (3 passes) slows down hard drive?

    By Hmm,
    • 10 replies
    • 589 views

  7. Is CCLEANER Real?

    By vk3col,
    • 1 reply
    • 274 views

  8. Including or Excluding items, such as 'Cookies"

    By josieburns7,
    • 1 reply
    • 179 views

  9. CCleaner Undo

    By Patk Kennedy,
    • 1 reply
    • 240 views

  10. don't see my aplications

    By Gilberto Pichardo,
    • 1 reply
    • 195 views

  11. can't download CC

    By shoobs,
    • 6 replies
    • 488 views

  12. smartscreen blocks installation on latest version

    By ukheather,
    • 4 replies
    • 461 views

  13. eset blocking outcoming and incoming ccleaner64 connections

    By ivan029,
    • 1 reply
    • 320 views

  14. Deprecated cookie

    By albear,
    • 16 replies
    • 20,076 views

  15. Can't pin CCleaner to the task bar

    By jzrf6c,
    • 3 replies
    • 1,532 views

  16. Chrome installation - no choice

    By 18june,
    • 2 replies
    • 346 views

  17. CCleaner won't finish cleaning up HD?

    By jkiper,
    • 8 replies
    • 900 views

  18. Unable to restore registry backup files

    By mbolay,
    • 7 replies
    • 1,472 views

  19. Avast secretly installed with ccleaner and caused problems

    By Terraviper,
    • 0 replies
    • 285 views

  20. Cash-Back Offer requiring bank details

    By spotter,
    • 2 replies
    • 651 views

  21. file format changed to ccleaner, can't open or change format

    By judycubed,
    • 1 reply
    • 262 views

  22. microsoft vs ccleaner

    By notsohandy,
    • 3 replies
    • 717 views

  23. Beware of 'Wipe Free Space' 1 2

    By AssChin79,
    • 35 replies
    • 26,546 views

  24. How to change installation directory?

    By Craig McDermott,
    • 8 replies
    • 6,430 views

  25. CCleaner clean reports

    By Ricky Tack,
    • 1 reply
    • 208 views
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