Using Windows 10, started a new PBEM of the grand campaign under 102 RC1. Both sides did a fresh install of the game, then patched. There was a lot of the same weirdness as the other threads as far as placement of the game files. I had a hard disc I had purchased from AGEOD with version 1.0. It puts the game files in C:/Games. The 102 RC1 patch from the Slitherine site, meanwhile, puts the game files in C:/Program Files (x86)/Matrix Games/Thirty Years War. Managed to get that straightened out finally (I think) and got the game started. I had to hunt for the saved game file folder, but finally found it in C:/temp/AGE.
Someone really needs to do a pass through the install/patch to have things sent to the right folders.
Anyway, as Protestants, when I started the first turn, the RGD for religious conversion shows as "Convert to Catholics." The RGD otherwise seems OK as far as placement. Looks like the icons got switched somehow. It may/may not have something to do with the mess caused by installations putting the game in different places, but not sure.
The game worked fine under version 1.00. The problems all cropped up when we tried to update. The double Bucquoy problem from the other thread also came up, but my opponent reported that already.