arma473 correctly points to XACT errors,
try to play without sound
FAF Launcher ⇾ Options ⇾ Forged Alliance Forever ⇾ Command Line Format for Executable ⇒ add /nosound behind the "%s"
if it works, try what they advise you to do with the system and unused sound adapters.
study the link
https://forum.faforever.com/search?term=XACT &in=titles&matchWords=all&sortBy=relevance&sortDirection=desc&showAs=posts