I'm certainly not complaining, assuming I eventually can get these coins sold, and preferably not in the middle of a downturn. Not really looking forward to taxes taking a chunk out of it, but whatever. I'm just glad I don't have to stare at a ~$220/coin for months on end and saying to myself "If only I had sold when it was $1k a coin..." like I did two years ago.
Use the dumpprivkey command on the old wallet. Install a new wallet on your new pc. Use the command importprivkey. Then you can transfer the coins to an exchange, assuming the website you pasted your privkey into before didn't steal them.
Anyway, one block is still pretty good as far as getting free money goes! Best of luck recovering them.