Age of Empires 2 HD won’t launch through Steam? Stuck in the infinite launcher-loop? Try closing Steam and delete the “appcache” folder in your Steam folder. Restart Steam and play AoE2!
Source: http://www.reddit.com/r/Steam/comments/1cag4h/aoe_ii_hd_wont_start/
Thx, man.
really aprecciate it.
o