Frustrated and feeling dumb

[plloyd1010]

I don't know what you did, but here is me doing it.

Starting with this:
   

Opening Vassal:
   

Right-click menu to add extension:
   

Navigate to extension files and choose 1. In this case OOB British Army 1939-42.
   

After clicking Open, the directory looks like this:
   

The British OOB is in the _ext directory and the that directory is where PG Uber will look for extensions in the future.