Repair wallet does not fix my sync problem , I'm been left Behind GAP grows bigger Everyday now @2200 blocks
I had that happen once. I had to delete the block chain from my wallet and re-sync. Goes a lot faster if you use a bootstrap.
I did resync, but it's not working, I think I'll wait for the fork to complete first , thinking of selling my pile 120,000++ any takers , inbox your offer