Caused by: java.nio.file.AccessDeniedException: C:\ProgramData\FAForever\bin\BugSplat.dll For some reason Windows doesn't allow the client to touch this file. Potential reasons: You still have a Forged Alliance process running that blocks the file You started the FAF client with admin permissions once and now only admins may access that file Something fucked up your file permissions. Check for running processes, check windows file permissions on that file.