If you have win2k, make sure the disable the following:
In other versions of windows you'll probably find something similar in the folder options.
When you've done that I think you'll see the file is actually named 'mp_ai_beta2.pk3.zip', so it won't work. You can then simply remove the .zip and you should be fine
.You may also send the file to jv_map@mods-r-us.net and I'll fix it for you. As there is I think at least 3 mp_ai_beta maps out there I don't know which 1 you got
