Please have him run through the solutions here: https://support.fatshark.se/hc/en-us/articles/360021422873--PC-How-to-Resolve-Most-Crashes
This thread was added on May 22, 2020, with posts from FatsharkJulia.
Warhammer: Vermintide 2 Dev Tracker
This thread was added on May 22, 2020, with posts from FatsharkJulia.
Please have him run through the solutions here: https://support.fatshark.se/hc/en-us/articles/360021422873--PC-How-to-Resolve-Most-Crashes