I spent the last week randomly getting CyanBeard after the new patch, and from things a read online a LOT of people have been getting the same. I tried many many things that "should work" but don't do anything. Sometimes restarting your pc helps but only until SOT decides it wants to give you an error again. I even tried adding an exception in my firewall for SOT.
The thing I found that FINALLY fixed it for me, was after adding it to exceptions in my personal AV, which did nothing, I then opened up Windows Defender Firewall
Click on Add New Rule for INBOUND Rules.
Choose to add a rule for a specific application.
Browse to the game's executable file and select it.
Select (Allow/Deny) and network type.
Click Save.
