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    IMPORTANT: Users are reporting that recent versions of CCleaner do not open when their AV is out of date.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

    35,731
    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    IMPORTANT: Users are reporting that recent versions of CCleaner do not open when their AV is out of date.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.

    2,251
    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.

    507
    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!

    15,480
    posts

9,741 topics in this forum

  1. CCleaner Portable - Perform task at Windows start (Startup folder)

    By ccw62,
    • 0 replies
    • 288 views

  2. Drive wipe

    By arcticyuki,
    • 4 replies
    • 333 views

  3. 2 of CCleaner64.exe in Task Manager (Win 7)

    By Ghot,
    • 3 replies
    • 1,149 views

  4. Version 5.56.7144

    By jengr2015,
    • 10 replies
    • 1,028 views

  5. CCleaner & Win 10 S Mode

    By crizal,
    • 7 replies
    • 809 views

  6. Cookies no longer display in the Cookies menu

    By malonn,
    • 3 replies
    • 325 views

  7. Downloads

    By judex6,
    • 1 reply
    • 543 views

  8. Problems adding computers

    By jeppari,
    • 2 replies
    • 255 views

  9. Egad! Now My Desktop is Blank. On a Win 10 laptop.

    By Sid007,
    • 2 replies
    • 282 views

  10. I think I've purchased Cracked CCleaner

    By LVTS,
    • 10 replies
    • 966 views

  11. deleting old email files

    By grahamh,
    • 4 replies
    • 292 views

  12. Error updating CCleaner Pro

    By dahyland,
    • 7 replies
    • 2,544 views

  13. Software Updater in free version? 1 2

    By nukecad,
    • 49 replies
    • 4,735 views

  14. Software Updater spam pop-ups

    By greghard,
    • 2 replies
    • 476 views

  15. CCleaner Monitoring

    By oskar28,
    • 0 replies
    • 274 views

  16. AppCompatCache

    By Poolsharkzz,
    • 5 replies
    • 5,690 views

  17. Why does Ccleaner not work with the Avast Secure Browser?

    By Peaceful Jim,
    • 3 replies
    • 787 views

  18. Software update feature

    By DaveG,
    • 2 replies
    • 439 views

  19. Ccleaner setting that erases Windows Mail app passwords

    By Braiks,
    • 4 replies
    • 272 views

  20. No longer the option to disable system/active monitoring?

    By Sli624,
    • 2 replies
    • 359 views

  21. "advanced" under windows

    By catlover84,
    • 2 replies
    • 224 views

  22. new license, how long it last if not activated?

    By mgg1959,
    • 9 replies
    • 392 views

  23. Problems erasing C:\Users\UserName\AppData\Local\Microsoft\Windows\INetCache\IE\ always creates by itself!

    By BLaZiNgSPEED,
    • 6 replies
    • 1,437 views

  24. CCcleaner app contained on flash drive

    By beebobby11,
    • 3 replies
    • 354 views

  25. 8 e-mail - CCleaner will not update new release - Not resolved yet

    By Dreamer4276,
    • 8 replies
    • 352 views
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