'Failed to initialize BattlEye Service: Driver Load Error (577)' can appear because of Windows security options that should updated.
We suggest the following solution for this error.
■ Update Windows 7 security options
Start menu > Control Panel > Windows Update > Update > Check for Updates > Install updates > Reboot PC after installation is over.
■ Update Microsoft Update Catalog to the latest version
You can download the latest update after visiting the above page. If the issue still persists,
please contact PUBG Support and provide us with a screenshot of the error.