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My TeamViewer 11 is unable to sign into the TeamViewer Server

So, starting this week I experienced a new issue with my Windows 10 PC. I have an old Licence of TeamViewer 11 sitting on it. It only tells me "Not ready. Please check your connection". In the past I only experienced this while connecting to a network with no internet. So, What can I do? I've uploaded the log as well.

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Help me out? I'm not sure what could be causing this failure. TeamViewerQS is able to run just fine, but my TeamViewer 11 Desktop Application is just not working.


  • JeanK
    JeanK Posts: 5,643 Community Manager 🌍

    Hello @FlaminPineapple

    Thank you for your message and welcome to the TeamViewer Community! ?

    I recommend you to check your Windows 10 version, as TeamViewer 11 is only compatible with the following Windows 10 version:

    • Windows 10 v1507 (RTM)
    • Windows 10 v1607 (Anniversary Update)
    • Windows 10 v1703 (Creators Update) stated in our article here: Which operating systems are supported?

    As for troubleshooting advice, I would recommend you to reinstall TeamViewer 11 and also follow the tips of this article: Not ready. Please check your connection 

    I hope this could help. ?

    If not, do not hesitate to ask your questions here. ?

    Best regards


    Community Manager


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