Finale 2012, 25 - Mac OSX 10.11.6
Just a guess- Paste the lyrics into the lyric window. Press Escape to leave the Lyric Tool for the Selection Tool. Reselect the Lyric Tool and try the Click Assignment again. Does that work?
With lyrics already entered, use Text Search and Replace (Edit Menu) to swap one for the other.
You can sell them but they're worthless, unless you want to sucker someone to pay you and then have to pay Make Music for an activation code. If you don't have a "junk box" in a closet, just throw ...
You could try saving the file as XML (File Menu > Export XML) and opening the XML in Finale. This often strips out any bad stuff in the original Finale file. You might lose some formatting, however.
Press Option while you drag a shape handle or the entire shape. The attachment lines should now move along.
Document Options > Stems > Click Stem Connections button. Make sure the stem connections on the quarter note head are positioned properly. Is the picture you posted from a PDF file? Sometimes PDF...
It might be nice to post a screenshot of a typical problem area so we can take a look. Rather than shorten stem length, it might be better to adjust the lyric baselines lower, to move them away fro...
If you use Time Machine, you can restore your system to the pre-Mojive OS, when presumably Finale was working.
The only problem will be if you need other MM Rests updated as you go along, they won't be. That can result in missing music buried in a MM Rest. If you have a movement that's tacet for a particula...
ReRe Double said I asked this two years ago. I remain hopeful. Feel free to make vacation plans whenever you like for the extended future. You won't miss anything.