Well, everytime i start any kind of game on Zero-K lobby, the game crashes on the commander selection screen (at least the tutorial map works fine), but when i start Zero-k with any other lobby the game works without any problem...

edit: Just tried again with the Zero-K Lobby and it crashed a little later after i choose the commander, maybe its related to the AI commander spawn?

Here is both infolog files i have found and the ZeroKLobbyErrors:
http://www.mediafire.com/?4wx7x8y2glr6m
note: the infolog87.txt its a infolog.txt that i found in the 87 folder inside the engine folder.

Nah, the sandbox map its not working when started by Zero-k lobby, so i believe this is not related to AI and i just started a multiplayer match as test (and locked to not let anyone in, and it still crashed).

edit: so far everything works normally when i use the springlobby, chicken defense, sandbox with null ai, single player with CAI bots and multiplayer, but if spring its started by Zero-K lobby, its CTD and a message that spring.exe stopped working.

edit 2: Oh and and i forgot to post this:
i use Windows 7 64 bits ultimate
a Sandy Bridge Core I5 2.3 ghz
A intel Graphics 3000 HD as videocard (its working good, the only performace issue i get its when i have way too many units in the screen)
and 4 gb ram

edit 3: This was happening on 1.0.3.2 and it stills happens on 1.0.3.3 so i dont think it was an update bug.

its your intel gfx card, I just had to do this on the GFs laptop so she could play. This is how we got it to work; open the zero-k browser lobby thing, click on settings, goto adv. graphic setting and select the edit engine one, top one if i remember :P then find "CompressTexture" if it is

1 change it to

0 and give it a shot