If you had this game in steam, you wouldn't have this problem. Anyways, I think you need to do something in the registry. Yeah, but I got the base game and both expansions as CDs for a birthday gift, and I can't really afford to buy it off steam right now. Where in the registry might I have to look...

musketeer925 wrote:Have you tried digging through old threads at AgeComm? There are about a million on this problem there:

http://forum.agecommunity.com/

Yeah, that was the first thing I did. This isn't the first time I've had this problem with this game, but this is the first time that none of the fixes I find work.

_NiceKING_ wrote:Original copy of the game?

Yeah, I've had this copy for like, 3 years. I've been able to install it using the fixes before, but for some reason it just won't work this time.

Every time I go to install the Warchiefs Expansion for AOE 3 I keep getting the following: "Warchiefs cannot install because Age of Empires 3 is not installed for allusers or this user on this computer." I have already installed the base game and I have tried every other fix for it I can f...