flashing x on viewer screen  

Hi @sjpt,
The "X" button found on upper right corner of windows viewer when in full screen mode is currently
intended for Windows (Surface) tablet that don't have keyboard attached and no way to exit from full screen mode.
We will improve this feature very soon.
In the meantime, we can only suggest 2 things:
- only maximize the spacedesk viewer window instead of full screen mode, OR
- if you are not using the touch feature, maybe you can disable it in viewer's Functionality settings (temporarily), if you want to go to full screen mode.

Thank you, disabling touch screen has done the job.  Excellent.  (No reason for it to be temporary on my laptop that does not have a touch screen and the touchpad is not in a convenient place to use. Shame I have to use it when waking the viewer laptop from sleep.  https://forum.spacedesk.ph/community/discussion-board/sleep-viewer-machine-wake-no-reconnect/#post-497 )

I had looked under Settings to see if there as such an option, but stupidly not under Functionality.  For me (and maybe many others?) it would be more usual to have all the settings under a single Settings submenu.

You guys are the best! The viewer works really well on my surface tablet and it will be perfect once the flashing X is gone.