Recently office decided to update all machines to be running on windows 10 for a few different reasons, mine was one of 2 computers still on windows 8.1 and did the upgrade option for it. Issue I'm running into now is when i'm in say like line command and then want to toggle ortho on and off it freezes up, if i click to my other screen and back it snaps out of it but it's a glitch that i didn't have before.....seems all the function keys that do stuff in cad have the glitch...but only when in a line,copy, etc.....by themselves the function keys work in cad. Any ideas? Am using autocad mep 2016 and 17 both have same issue