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Can't activate, Error code: 0x4

Bla Blubber

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I want to activate my first license.

Error is:

Oops! Our licensing system encountered an error and couldn't continue. Please try again a bit later.

(If the issue persists, please contact our Customer Support team for assistance.)

Error code: 0x4
Error description: Das System kann die Datei nicht öffnen.


Please help.

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See this for information about how to register and common problems:

It may just have been a temporary server error. so try again.

If you are still having problems then as the message says the Support team will be able to help.

Send them an email at support@ccleaner.com explaining the problem.
(Or there is also a 'Contact Us' button at the bottom of the article I linked above).

It's best if you use the same email that you used when purchasing.

You'll get an automated reply and then someone should get back to you.
Normally they are quick and get to you within the hour, it may be a bit slower over the holidays.
(EDIT - Last we heard there had been a rush of support requests yesterday and it may take a day to get a reply if they are still busy).

*** Out of Beer Error ->->-> Recovering Memory ***

Worried about 'Tracking Files'? Worried about why some files come back after cleaning? See this link:


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4 hours ago, nukecad said:

It may just have been a temporary server error. so try again.

There have been periodic bursts where we have had a higher than usual rate of activation issues connecting to the licensing server starting around 03:30 am GMT on December 29th.  As of 15:30pm this afternoon though (about 3 hours ago as of the time of writing) we seem to be back to normal again after our engineers gave the infrastructure some strategically placed kicks.

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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