Mine did it too.

It said to post this here. FA hangs when I try to start a game.

Traceback (most recent call last):
File "src\connectivity\JsonRpcTcpClient.py", line 40, in onSocketError
RuntimeError: Connection error to JSON RPC server: The remote host closed the connection (1)

Runtime info:

FAF Username: bz2gamer-2
FAF Version: 0.18.9+3169
FAF Environment: production
FAF Directory: C:\ProgramData\FAForever
FA Path: : C:\Program Files (x86)\Steam\steamapps\common\supreme commander forged alliance
Home Directory: C:/Users/pbs/OneDrive/Documents
Platform: Windows-10-10.0.19041
Uname: uname_result(system='Windows', node='PKTWR-i7', release='10', version='10.0.19041', machine='AMD64', processor='Intel64 Family 6 Model 158 Stepping 9, GenuineIntel')