So I have a couple of problems that I only recently have begun to experience in Dota 2:
1.Sometimes, the hero gets deselected, without me pressing anything or clicking anywhere. This is often but not always accompanied by loss of sound; the music and any other source of sound just get muted. Once I select my hero again, the sounds and music is resumed.
2.This one is a relatively new one. Sometimes, when I tell my hero to move somewhere, it won't move. It is selected, and I can see everything else thats going on (so it's not like I've lost connection). And I can even buy stuff in the Shop. The only problem is that my hero won't move. I have not yet checked if it can cast spells when this happens. Disconnecting and then reconnecting solves the problem, but obviously it still is a problem.
I have a hunch that it has something to do with my network and/or connection to the server, but while I do sometimes experience lag or a slow connection, it is pretty good most of the time, and the problems above do not necessarily occur when I have a bad connection.
Best Answer
I'd download Malware Bytes and run a scan on your computer. Sounds like something is making the game window lose focus, I'm going to assume you are running it in full screen. If not, try that.
as for number 2, that sounds like network issues / Lag. Had it happen to me before when I was playing on a 200KB/s connection. Have a look and see what the other players are doing when this happens, if they are all moving in a completely straight line without changing direction even when hitting objects then you've definitely dropped out. You said that you can see everything that is going on though so maybe this is not the case. The first fix might fix the 2nd.
Give it a shot.