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CCleaner Bug Reporting

Is CCleaner not working properly on your system? Then let us know (with details to help us hunt down the problem to solve it for you and for others).
IMPORTANT: You may experience problems running CCleaner if your AV definitions are out of date.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.

7,540 topics in this forum

  1. UninstalItems.log in c:\temp with ccleaner 5.63

    By liamZ,
    • 4 replies
    • 4.3k views

  2. CCleaner corrupting program files [Avira issue] 1 2 3 4

    By AW7,
    • 75 replies
    • 6.3k views

  3. problem with the VCRUNTIME140.dll error after CCleaner

    By Will313,
    • 1 reply
    • 202 views

  4. Why did my sleeping programs wake up AFTER my trial has ended?!

    By SonicandTailsCD,
    • 1 reply
    • 168 views

  5. Real Player 22 not cleaned

    By GrodanBoll,
    • 0 replies
    • 129 views

  6. An error has occurred in the script on this page

    By Ramzay,
    • 2 replies
    • 214 views

  7. CCleaner Registry found errors in the Registry Key

    By Klondyke,
    • 2 replies
    • 275 views

  8. Duplicate finder is zeroing files

    By dfpr,
    • 9 replies
    • 282 views

  9. CC Cleaner won't remember activation key

    By Merlin1999,
    • 1 reply
    • 110 views

  10. CCleaner freezes on startup 1 2

    By Paul Smith,
    • 26 replies
    • 1.2k views

  11. Этот продукт запрещено использовать в вашем регионе

    By wota_fak,
    • 14 replies
    • 7.3k views

  12. Software updater bug.

    By Bastet,
    • 12 replies
    • 795 views

  13. Custom folders not being erased

    By theCult,
    • 2 replies
    • 137 views

  14. CCleaner stays in System Tray after right-click Recycle Bin Run CCleaner

    By Paul Smith,
    • 6 replies
    • 381 views

  15. bad certificate

    By ksmith537,
    • 2 replies
    • 204 views

  16. Script Error

    By Nesledyret,
    • 17 replies
    • 3.7k views

  17. Ccleaner is taking 60 seconds to load

    By Neiltoo,
    • 0 replies
    • 104 views

  18. CCleaner deleted a very important folder - a supprimé un dossier très important

    By TonyBo,
    • 3 replies
    • 232 views

  19. Otimização de Desempenho não funciona!

    By funil360,
    • 1 reply
    • 395 views

  20. OTIMIZAÇÃO DE DESEMPENHO NÃO ESTÁ FUNCIONANDO!

    By kevin william,
    • 0 replies
    • 105 views

  21. Software Updater BUG

    By ctrl,
    • 12 replies
    • 905 views

  22. Accessing OneDrive settings

    By Tucky,
    • 5 replies
    • 366 views

  23. Crashes on Custom Clean for Non-Admin

    By johnywhy,
    • 1 reply
    • 115 views

  24. UBLOCK ORIGIN - FIRST TIME BLOCKED

    By 60GigaHertz,
    • 3 replies
    • 494 views

  25. Typical Tech Support Dodging BS Clearly

    By WindowsSDIH,
    • 1 reply
    • 174 views
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