Thanks, but that didn't work. My problem is this: When I drag links from the Firefox address bar to my desktop, and then click on those links, they open in gedit instead of Firefox.
In poking around I found this file:
Here's what's in it:
I'm thinking that the third line from the bottom (in the "Added Associations" section) may need to be edited, but I don't know if this file controls anything, or is just a log file, and I'm reluctant to mess with it without some assistance. Additional help would be appreciated.