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IMPORTANT: Users are reporting that recent versions of CCleaner do not open when their AV is out of date.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

904 topics in this forum

  1. Selecting files to be deleted - description of each item

    By RBMunkin,
    • 8 replies
    • 262 views

  2. CCCleaner Pro v5.76.8269 Win10 Pro did not clean double songs

    By PeterSp,
    • 4 replies
    • 367 views

  3. It freezes while analyzing

    By RBMunkin,
    • 9 replies
    • 324 views

  4. Launch the app when computer starts disabled but the app is launched regardless

    By Franz333,
    • 11 replies
    • 293 views

  5. Unable to uninstall ccleaner because of NSIS error: "Error launching installer"

    By Sikev,
    • 4 replies
    • 847 views

  6. Permissions

    By sussertown,
    • 1 reply
    • 133 views

  7. Ccleaner Pro Process disapear ( Cleaner quit ) Without message.

    By Gringan,
    • 3 replies
    • 192 views

  8. Block Cookies

    By SJesMe,
    • 3 replies
    • 187 views

  9. Applications software updates

    By Mix,
    • 20 replies
    • 801 views

  10. How to upgrade from Pro to Pro PLus?

    By Strata,
    • 2 replies
    • 219 views

  11. No puedo registrar mi nueva compra de licencia para CCLEANER Profesional.

    By Raul Schultzki,
    • 1 reply
    • 150 views

  12. Ccleaner lauched at startup, but disappear

    By Samp,
    • 1 reply
    • 134 views

  13. Ccleaner not clearing Google history [Resolved]

    By fred99,
    • 5 replies
    • 240 views

  14. Paid for CC Pro version for 60 days but no download link sent to my mail

    By inbuon,
    • 10 replies
    • 291 views

  15. How long is the licens key for CCleaner professional valid (2 years)?

    By gerhardhepperle,
    • 1 reply
    • 185 views

  16. base du registre

    By poseidon2674,
    • 3 replies
    • 197 views

  17. Scan folders not Hard Drive

    By chippyman,
    • 4 replies
    • 215 views

  18. Overmessaging of upgrade notifications

    By Ken Edmonds,
    • 1 reply
    • 153 views

  19. How can I disable CCleaner from startup?

    By hgw53t,
    • 1 reply
    • 315 views

  20. Trash Context menu

    By Samp,
    • 2 replies
    • 164 views

  21. Ccleaner doesnt open and is unnable to uninstall

    By Haste,
    • 1 reply
    • 200 views

  22. Recycle Bin

    By Judy C,
    • 5 replies
    • 258 views

  23. CCleaner Pro for 3 computer

    By flotty,
    • 3 replies
    • 386 views

  24. ccleaner 5.64.7613 last working build on windows 10 (19042.685)

    By Pandor,
    • 6 replies
    • 503 views

  25. cc Pro cleaner won't let me activate it

    By chippyman,
    • 2 replies
    • 245 views
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