Problems with TS in Microsoft Edge

TrackStudio is really not happy in Microsoft Edge, the default brower for current Windows installations.
It randomly goes to the root node of the task tree.
It randomly produces the message "This page is having a problem loading". Screenshot attached.
When choosing an item from the Other Operations menu, it will randomly do one of
Operating system: Windows 10 64 bit
Browser: Microsoft Edge 25.10586.0.0
Microsoft EdgeHTML 13.10586
It randomly goes to the root node of the task tree.
It randomly produces the message "This page is having a problem loading". Screenshot attached.
When choosing an item from the Other Operations menu, it will randomly do one of
- Work perfectly
Freeze
Goto root node of tasks tree
Operating system: Windows 10 64 bit
Browser: Microsoft Edge 25.10586.0.0
Microsoft EdgeHTML 13.10586