Just found the answer to my own question on another forum (sorry guys! I was desperate!)
Here's my response...
OMG!!! THANK YOU SO MUCH WHOEVER HELPED THIS OTHER PERSON!!!
I've been spending the last 3 days fixing up my custom made computer which was running slower than my dell computer even though all the specs are better (4GB RAM compared to 2GB, dual core amd 2.0GHz compared to dual core intel 1.80GHz, both vista). Although the video card on the dell computer was better, I increased the speed of this one by going into system properties>advanced system settings>performance settings and then customizing the settings to make the performance more important than appearance but deselecting almost everything (which basically just makes vista look nicer but that the video card has a hard time processing because it's not as great as the other computer). Once I did that and uninstalled a bunch of the new programs I had installed recently and reinstalled only the ones I needed, the computer sped up and stopped crashing... unfortunately, my internet was SLOOOOOOOOOOOOW as hell all of a sudden.
I did a whole bunch of stuff... ran 3 virus checks with ESET NOD32... ran Ccleaner, defragmented the hard drive, cleaned up registry, clicked repair internet connection, updated the network driver
(which it said was already up to date) and nothing worked.... UNTIL I RAN THE COMMAND PROMPT!!!!!!!!
IT'S BLAZING FAST NOW!!!!! THANK YOU!!!!!!!!!!!!
So here is the thread to the forum in case anybody else is having the same trouble I had...
Solved: Internet browser stops working regularly - Tech Support Guy Forums