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When working with VMWare Horizon Virtual Desktop on Windows or MacBook laptops through Mifi 4G router TPLink M7350 mouse clicking does not work.
Mouse movement is OK and fast, but mouse clicking does not work or with extreme delay (minutes).
Mouse pad or external mouse makes no difference.

Horizon on iPad through the Mifi router is OK, Clicking on the touch screen of the iPad works OK

Problem exists only in the virtual desktop environment itself, mouse clicking works fine in the surrounding Apple or Windows environment. Clicking through Macbooks Horizon menu works fine.
After moving the mouse on the screen to the virtual Windows desktop the mouse clicking stops working and seems to freeze.

Hope anyone can help.