Fix Easy Anti-Cheat error that says Untrusted system file when launching Steam games like Apex Legends, Elden Ring, Lost Ark, New World, Jump Force, Watch Dog, etc.

Corrupted Apex Legends game files cause pak file errors. Corruption can occur due to issues when downloading the game or various local file system and storage drive errors.

IF Apex Legends crashes on startup with error message Error reading pak file "common.rpak" Error 0x00000017, then see this post for the fix.

How to fix Apex Legends 0xc000007b error? If Apex Legends won’t launch or keeps crashing due to 0xc000007b error, you’re required to run a set of troubleshooting steps to identify the cause.