(Forgive me if this is the wrong section, but I don't see where else I could post this.)
I'll get right to the problem: Vista won't let me change what a file (.psd, .gif, .iso, etc) opens with except for the options it already provides.
(Right click an item -> Properties -> Change)
I press "Browse" and select an exe such as Photoshop, but it doesn't get added to the list below or anywhere in that window, making it impossible to change what it opens with. I took screen shots on the off chance no one understands what I'm talking about:
It's gotten to the point where I can't open files like .VEG because I can't associate Sony Vegas with it.