I owned a copy of Waw with a Online Multiplayer that never worked. (Or thought so at least.) Never tried it, until long after I installed T4M. Zombies was really all Waw was, for me, at the time.

Down to the point. I un-installed that game for reasons, and re-installed it later on. Multiplayer worked just fine; played it for a good while. Until I got back into Zombies. Procrastinated on getting T4M, but eventually got it. Not long after, I tried starting up Waw MP, wouldn't launch. Wouldn't even give me the 'prompt' to launch it.

Literally the only changes I made to the CoDWaW root-file since then, was installing T4M.      (d3d9.dll) file.
So I took it out. And then MP launches just fine. I've played around with this a little to be sure...

Something about that (d3d9.dll) file clashes with the Online MP.
Right now, if I want to play Zombies, I have to add that file back. And if I want to play MP, I have to remove that file...
Any way to fix this???