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What is untrusted system file on Apex Legends?
This error is caused by Easy Anti-cheat flagging certain game files as ‘untrusted’. It is a measure to prevent players with hacks and cheats loading up the game, but it can also sometimes incorrectly flag perfectly normal files.
If you are on Steam, you may be getting an error message like “untrusted system file (D:\Program Files\Steam\steamclient64.dll)”
How to fix Untrusted System File in Apex Legends
Run EAC as administrator
The first fix to try is the simplest, so best to get this one out of the way first.
Go to Apex Legends in your Steam library
Right click and go to game properties
Select ‘browse’ from local files
Find ‘Easy Anti-Cheat launcher’ in the file list
Right click and select Properties > Compatibility
Select ‘Run this program as administrator’
2nd way is fix untrusted System File in command prompt
If this doesn’t resolve the issue, another solution should fix the untrusted system file error when trying to launch Apex Legends:
Search ‘cmd’ in start menu
Right click ‘command prompt’, run as administrator
In the cmd window, type ‘netsh winsock reset’ and hit enter
Then type ‘sfc /scannow’ and hit enter, wait for this to complete
Restart your PC
3rd way is Reinstall Apex Legends
Its surely not a "fix"
Applications in general should never run with adminstrative rights, only with a subset of rights they really need.
Ever thought why a modern operating system has role managment ?