It's necessary to know if this pc is totally or partially useless for the Internet.
So did you post this on that PC ?
It makes a big diff of how to proceed.This is a Desktop poblem and learning from your mistakes.What you described shouldn't have led to this.deleted,
Hotfix KB??? files, about 3 of them
I think also it's the fact that some of your keys don't work like they used to,install it's cd again or give Mickey a go.
suggesting links to use at a Cafe is no help is it,They don't have a way to save what you do there,do they ?