Electron taking over computer screen

[bko]

This is a Windows problem--the solution is here:

Issues using serial debugging (Mouse moving)

In terms of weird interactions / bugs, that’s pretty wild! This name “Microsoft Serial Ballpoint” is magic, because searching for that shows a lot of people having this same problem with USB serial devices: The fix for this appears to be to disable Window’s support for crazy Serial mice entirely ##Warning! This fix involves editing your registry, make a restore point first! ###I have wrecked machines by goofing up a registry edit, you should really make a restore point first. …