Found this answer--yes--in another thread.

<t> I have done this with all my games that I have bought through matrix that also have a free steam key. My only question is when I claim the key it sets up a separate installation of the game with a separate desktop icon. I can apparently use either to play the game. Is there any reason to ...

Problem solved. My brother changed the firewall setting on our router, not my computer. He changed it back to the old setting and it works.

<t> I have been having a problem with the check update function for my Matrix games and wonder if anyone is having or had a similar problem. When I click check for update I get a message that update information cannot be loaded for the game and to contact Matrix. This has happened with all my Matrix ...

I see from another post that this is a bug in the latest patch.

I've tried this but when I backspace it simply pushes the old name to the edge of the box. I tried typing the new name but it results in a mix of both names.