I have 2 problems:

My wallet is out of sync, it stops in 24 weeks to complete sync, what I have to do

And...

I mined some espers in april, 2016 and forget about it, now I see the price growing, and I want to sell, but I read that is espers 2, what is that mean? I should convert "espers 1"?

(all of my coins is in my local wallet what I don't know to sync)

Thanks