I decided to uninstall and then reinstall GTA IV so I would have a clean install for the new 1.0 but now I can't get it to reinstall I keep getting stuck at cycle error with Data2, any ideas how to get around it? This is for a PC with Vista 64

Do you have a legal copy of the game?

Of course, I'm reinstalling from the CDs

What's the exact error you are recieving? Because if it is what I think it is, your disc is damaged. 

I took a screen shot of the error, I hope the disc isn't bad although its got its use, I got it when the game first came out

 

Any ideas?

I'd say your disc is bad. Can you try to copy the contents of the disc and use those files instead? 

Yep just tried to copy and its saying that file along with a couple others are corrupted. I guess this is as good time as any to buy a GTA IV episodes of Liberty City combo pack, I always wanted to play the episodes but I was to lazy to go out and get it lol