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CCleaner Help Requests

Need help installing or using CCleaner on your PC? Be sure to check the the CCleaner support website. If you need information on your paid CCleaner licences, expiry dates, registration information and download links you can get that directly from the CCleaner licence 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IMPORTANT: You may experience problems running CCleaner if your AV definitions are out of date.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.

1,708 topics in this forum

  1. cannot uninstall, cannot install

    By rsn,
    • 2 replies
    • 171 views

  2. NEED HELP CANCELING AUTO EXTENSION

    By levikyer,
    • 2 replies
    • 146 views

  3. Google Drive Won't Start on Login.

    By KenK3664,
    • 1 reply
    • 229 views

  4. Something CCleaner Pro did has slowed my computer and cursor movement

    By embram,
    • 5 replies
    • 258 views

  5. No response from the support team

    By Daza,
    • 0 replies
    • 123 views

  6. Duplicate File Finder

    By Bob Foster,
    • 1 reply
    • 228 views

  7. How to make Ccleaner not delete a certain file?

    By RollOverAndChainsaw,
    • 1 reply
    • 279 views

  8. can't locate license number

    By nytcpa,
    • 1 reply
    • 161 views

  9. CCleaner Reset my Windows Desktop Context Menu

    By LFDY,
    • 0 replies
    • 202 views

  10. Registrierung

    By hansdo,
    • 1 reply
    • 215 views

  11. Installing CCleaner Professional to new Laptop

    By IanGar,
    • 2 replies
    • 246 views

  12. License Key issue

    By Pascal Perreau,
    • 1 reply
    • 117 views

  13. No response from the support team

    By LobQer,
    • 2 replies
    • 230 views

  14. CCleaner Icons and folders

    By MsGail,
    • 3 replies
    • 220 views

  15. How to keep most visited websites in Chrome

    By Jeannette,
    • 2 replies
    • 220 views

  16. CCleaner Upgrade offer

    By RayOK,
    • 2 replies
    • 281 views

  17. Messed up on install

    By Toebean,
    • 3 replies
    • 125 views

  18. Me han renovado mi suscripción sin mi autorización y solicito reembolso

    By Mario Martinez,
    • 0 replies
    • 853 views

  19. valid license not accepted

    By fbnccnutz,
    • 0 replies
    • 197 views

  20. My Security box is grayed out. Unable to reach server

    By America_Mayhem777,
    • 2 replies
    • 591 views

  21. Issues with deleting and restoring files

    By Iced_Caffeine,
    • 6 replies
    • 355 views

  22. Avast Antivirus Finds System Junk that CCleaner left behind?

    By rcpiriform,
    • 2 replies
    • 293 views

  23. Unable to terminate my subscription via client software

    By RemcoA,
    • 1 reply
    • 134 views

  24. NEW UPDATE OF CCLEANER deleted all my passwords

    By fleovey,
    • 23 replies
    • 4.6k views

  25. Can't reach Security Server or Customer Service

    By Magog29,
    • 6 replies
    • 861 views
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