Unfortunately, they're right: FC8 is on the way out
"On it's way
"?? It's gone, surely. The error message is because the repos are not there any more.
In the gnu/linux world we have our own version of the upgrade treadmill ... only you don't need to pay $$$ for the upgrades, which takes the sting out somewhat.
Remember Alexander -- you don't have to untie the knot to solve the puzzle.
But if you want to cheat - make sure you have the largest army in the known world to back you up
(I've always liked that story. Amazed that people miss out that last bit. The first presiding official said: "Sorry Sir, this is not acceptableuurrgh!" and his second, thus promoted, turned out to be brighter.)
@jwalit: how did you get on?