Hi, so i cant extract the files... Im using microsoft extract wizard and every time it comes to around 40% done it says error cant read file or something like that... PLZ HELP!

I suppose you're talking about the main zip package of the game.
Your problem is probably that your downloaded file is corrupted, or not even downloaded fully.
Check the file size of the archive. It should be 888,1 MB large.
I recommend you to re-download the package.

Nope... I checked the size: 888mb so I guess its corupted... redownload here I come...

You might as well try the torrent http://morfar.affro.net/nexuiz/torrents ... ip.torrent (though I'm not sure how many seeds are there), so it'll be automatically checked for errors.

well 888mb and 888,1mb could be due to different programs used to see the filesize.. why not rather try a "good" zip program first? If Nexuiz works well i guess your pk3 file is ok.
Try 7zip: http://7-zip.org/

I am also facing the same problem a you because when ever i am downloading any kind of zip file then it was download very much but
when i am going to open it so it will appear notice that file is corrupted so how it will become again and again ?
Tell me some specific answer...!!!