Hey, I had the same problem but now was solved.
I made this:
1. Restart PC
2. Start Steam
3. Right Click on the Launcher and "Run As Administrator"
And voila, now run... (I think that steps 1 and 2 do not need)
Good luck!!
We have placed cookies on your device to help make this website better. You can adjust your cookie settings, otherwise we'll assume you're okay to continue.