Hi Vitaly,

> Hm yes actually I use a Steelseries keyboard with extra keys and their software
> for macro commands to have more shortcuts.

Possibly - is there a method to disable it and then see if the problem still occurs?


> Interestingly enough it never happened in V3 or V2 with the same setup(this
> keyboard is more than 5y.o.)

V4 has had a lot of changes to make it cross platform, it uses the Qt framework while v3 and earlier just used plain Windows code.

- Michael