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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IMPORTANT: You may experience problems running CCleaner if your AV definitions are out of date.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.

1,714 topics in this forum

  1. Won't recognize product key

    By SCM,
    • 2 replies
    • 1.6k views

  2. password

    By Jack Medart,
    • 1 reply
    • 552 views

  3. Purchasing pro

    By Spencer,
    • 2 replies
    • 1.5k views

  4. Active Window Size

    By M&MWeb Browser,
    • 2 replies
    • 687 views

  5. I have received a Pro Windows version instead of a Mac link

    By Elly,
    • 2 replies
    • 267 views

  6. CC Cleaner Pro

    By HulkBP,
    • 1 reply
    • 632 views

  7. Piriform Support....

    By Cust123,
    • 4 replies
    • 1.2k views

  8. Turn off spam?

    By Den24601,
    • 4 replies
    • 1.4k views

  9. Easy Clean

    By dorus,
    • 5 replies
    • 913 views

  10. Shaaks

    By Shaaks,
    • 3 replies
    • 976 views

  11. raymond brooks

    By raymond brooks,
    • 1 reply
    • 203 views

  12. Endpoints and Registry Backups.

    By nicknameferret,
    • 3 replies
    • 561 views

  13. dorus

    By dorus,
    • 1 reply
    • 342 views

  14. Win 1909 The installer has stopped working

    By inTechrity,
    • 6 replies
    • 553 views

  15. ccleaner drive wipe taking forever

    By Plaidipus,
    • 16 replies
    • 6k views

  16. Recycle Bin not being Cleaned"

    By TMitche22,
    • 1 reply
    • 423 views

  17. C Cleaner not wiping free space.

    By Phil66,
    • 1 reply
    • 1.2k views

  18. can't install CCleaner

    By nancypen,
    • 7 replies
    • 924 views

  19. forgot email and password

    By liltracy10k,
    • 4 replies
    • 1.1k views

  20. How to clean enough disk space for Windows 10

    By jewel801,
    • 4 replies
    • 1k views

  21. Ccleaner- recent version

    By greta23,
    • 5 replies
    • 509 views

  22. Password cleaning

    By hodag,
    • 1 reply
    • 541 views

  23. Stop clearing Recycle bin

    By flynby,
    • 4 replies
    • 1.3k views

  24. I can't disable Smart Cleaning

    By pepe9,
    • 3 replies
    • 3.8k views

  25. CCleaner Professional

    By rmastria,
    • 5 replies
    • 636 views
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