virtual keyboard

Hi there, I was wondering if anyone has run into this issue. I've been tearing my hair out. I have a Surface Pro 4. It has just cropped up today for some reason. When I type with my on-screen keyboard, it will randomly refuse to type certain characters. For example, I'll start writing an email...

I'm curious to see if anyone else has the same problems that I had when using the virtual keyboard with Microsoft Edge. I played around with various Windows 10 based 2 in 1s at the store and stumbled across a Surface Pro bundle (a Surface Pro 4 I think, 7th gen Intel?) that includes the...