Make sure the Easy Anti-Cheat service is enabled via the Task Manager. See here: https://support.fatshark.se/hc/en-us/articles/360007853137--PC-How-to-Resolve-Most-Easy-Anti-Cheat-Errors#Error%20Code:%2030005%20(CreateFile%20Failed%20with%2032.)
This thread was added on July 21, 2020, with posts from FatsharkJulia, EmpIzza.
Try rebooting as well. CreateFile failed with 32 can appear if there is a crashed launch stuck in the EAC state machine (i.e. EAC is preventing EAC with file locks).