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Can't run CCleaner


happy8

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Hi @happy8

That doesn't sound like usual behaviour.  To help us figure out what might be going wrong, could you let us know:

  • What Windows version are you running?  Windows 7, 8 or 10  If Windows 10, do you know which release it is (1809, 2004, 20H2, etc?)
  • Which antivirus and firewall do you have running? Do you have any custom modification to your windows networking configuration, such as a changed hosts file?
  • Did you download CCleaner 5.74 yourself from the CCleaner website, or was this an automatic update from an older version of CCleaner.  Can you remember which version it was?
  • Are you able to screenshot the message that you see when it does not run and asks you to purchase?  Does it look something like this (with the "no thanks" to close)?

 

image.png

Piriform Homepage - [CCleaner - CCleaner Mac - CCleaner Android - CCleaner Browser - Recuva - Speccy - Kamo] - Product Support

Looking for your licence key, expiry date or download link? Check here first: https://www.ccleaner.com/support/license-lookup
To find out how we protect your privacy - read CCleaner's Data Factsheet.
What's new? Check the latest CCleaner for Windows release notes

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