Crossfire crash

i wish i would know why

I have that update installed and its working for me

dunno if that will help

Windows 10 October 2018 Update problems and how to fix them | TechRadar

you should try to do the part with the IPv6

i can imagine that this can cause problems but there is no guarantee that it will work

Other games also crash after that windows update.

Here is a support thread for that: Games stop working after installing Windows Update 1809 - Microsoft Community

maybe something suggested there might help