It seems that whenever I open a sketch, or even a totally new, empty
sketch, Processing decides to repeat the buttons and tabs every so often,
I'm guessing around 350px. It seemed to happen after I tried to change the
text size to 14. After changed the size, I quit and then opened it again,
expecting to find bigger text, but rather found this issue. I changed the
text size back, but it won't go back to looking correct. It still works,
but it is screwing with my mind. As you can see (assuming I can get it to
upload) in the screenshot, text will go past these "boundaries."

Revision: 1.0.1
OS: Vista Ultimate x64
Smallest Code: empty sketch
Details: Screenshot shows the issue, detailed above

edit]
Screenshot of the issue

I know that text does nothing, it is just to show that text can go farther than
each repeating section. I can hover over and select ONLY from the leftmost
buttons/tabs (exactly where you would expect them to be), and in this case, I
was hovering over the Run button.

That looks like a graphics driver problem with your Vista setup. I'd
upgrade (or downgrade) your drivers or you might try installing Java 6
update 12 instead of the version included with Processing.

*** This bug has been marked as a duplicate of 1065 ***