Windows client freeze and cannot restart without reboot

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    I am using the free Windows client (Windows 10) to connect to a Ubuntu 22.10 desktop (Gnome-based ubuntu standard desktop with Wayland). NoMachine has been installed yesterday on both and they are therefore the latest versions. I am connecting to a physical display.

    In general, this worked nicely and I am very happy with the speed and quality. However, the client freezes after a while. It takes about 30 minutes and then the remote window and the client application window are both frozen. They can only be removed by ending the process.

    After this is happening, I cannot restart the windows client. If I try, I see a process of the player appear in Task Manager, but no window opens. I need to reboot the windows computer before this is fixed. After a reboot I can start another remote session, and the entire procedure is repeating.

    Do you have any idea what might cause this behavior? I checked Windows logs and NoMachine player logs, but I did not get any indication about the cause or what to do. Please help.

    I have added some logs from the last session that was open and froze with the described consequences. Please instruct what I can do or check!




    In my setup the server is my private home server and the client is my work laptop. I suspected that the problem is related our enterprise security policies, which are allergic to incoming connection to our devices. Therefore the server component of the free Windows software is a problem. I do not need the server on the Windows system. I uninstalled NoMachine free version and downloaded and installed the Enterprise Client. From what I can see it is basically the same client, but without the integrated server. This seem to work. I did now use it for a few hours without any freezing or other strange behavior. It is actually very responsive even in higher screen resolutions.

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