If it helps anyone else, I deleted all the files in my windows/users/[username]/appdate/roaming/feathercoin directory except wallet.dat and this forced the wallet to re-download the blockchain. It successfully passed the block it was hung on before and is now up-to-date. All is good now.
Steps I took to update were:
- Backup all the files in the directory noted above including wallet.dat
- Installed latest wallet 0.9.6.2
- Deleted all files in the above mentioned /roaming/feathercoin/ directory except wallet.dat
- Adjust windows firewall settings to allow feathcoin-qt unrestricted internet access
- Started the feathercoin-qt wallet program
- Waited about a day for it to update