Search "Allow an app through Windows Firewall" in the Windows search bar.
: Open Steam again and start the game from your library. 2. Run Steam as an Administrator just cause 4 unable to initialize steam api
Privilege mismatches are the leading cause of this error. If Just Cause 4 attempts to call upon Steam, but Steam lacks the administrative permission to respond (or vice versa), the initialization fails. Search "Allow an app through Windows Firewall" in
Windows User Account Control (UAC) can restrict a game's ability to ping background software. Giving Steam admin rights overrides this block. just cause 4 unable to initialize steam api