My browsers were working just fine yesterday. That is, until I downloaded another image viewing program.
Then some things started to change.
After I had downloaded that program, Firefox had started lagging and freezing a lot longer than it usually does. When it froze up for the twentieth time, I closed it. I didn't think much of it since I always open up more that 15 tabs in one window.
One hour later, though, the same thing happened. Firefox would lag and freeze even though I only had one tab open. And after a while, it wouldn't open at all -- and the same thing happened with I.E., too.