Original Quake 3 on Windows XP

Hello, my XP computer died recently and I’m trying to rebuild it. However when I try to install Quake 3, I’m getting an error message. Actually two error messages. These are them:

I’m hoping someone can help me get this installation done.

Thank you very much.

**** I forgot to mention, it’s Windows XP Service Pack 3.

Might be an antivirus or a permissions issue blocking the files from being installed. Are you using an ISO image of the Quake 3 disc or an actual Quake 3 Disc?