Hi...I'm running v0.96.1 with bitcoin 14.2 built from source on Debian Stretch amd64.
Had problems also on first spend.
Seems armory was hung up on block 480111.
Under help clicked clear unconfirmed blocks.
Had to in terminal: ps -e :| grep ArmoryDB & kill it's process to get armory closed.
Closed armory and relaunched.
Under menus, had to increase fee to 0.0052 btc or 200 satashi (required minimum).
Saves & Spend are slow to take affect, but finally completed.
Currently spend is awaiting it's 3 confirms. (currently synced at 480137 blocks)
I hope this helps other users.
bitprospector