oldschool website not working on certain computers, please help!

Hello everyone! I'm new here and have a very basic question.
So around 2005 I took a class for web design and built of few websites, including my own which is the site in question here. I decided to take down the old website from several years back and completely build a new one. I haven't done web design for about six years but most things came back to me except for this one problem, and it's a biggie, although I think a simple tweak will fix it. It's a very simple and primitive site using…
oldschool website not working on certain computers, please help!

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