Technical issues.

I'm having a problem too... and I didn't have this issue before.
I have a licensed copy of the game, and everything was working fine. I played it on my brother's computer first, and it worked, then on my sister's computer... but when I install it on my own computer, it won't install:confused: It says something like "error in data," here's a screenshot.

I tried turning off the antivirus, but it didn't help... Can you please tell me what to do? I really love this game:(