Lost Ark is arguably one of the most impressive free massively multiplayer online games developed by Smilegate. Although there aren’t many, the game does include the occasional bug or glitch, such as the “the selected zone is closed” error or players getting stuck in the Rielvarr Ruins or Haiger’s Manor regions. In addition to these problems, a number of players have recently reported that they are unable to start the game because they receive an error message that reads “Untrusted system file.” There have been many reports that gamers are experiencing an issue in which the game will not open after the Easy Anti-Cheat screen, and when it does, they receive an error message that reads “Untrusted system file… physxupdateloader64.dll.” If you are experiencing the same problem and are unable to start the game, the following is a solution to the problem that you can try. In this article, we will look at “Fix Lost Ark Game Not Starting – Untrusted System File Error”

How to Fix Lost Ark Game Not Starting – Untrusted System File Error

Reinstalling EasyAntiCheat:

It is recommended that you try fixing the EAC’s functionality before resorting to the nuclear option of uninstalling and reinstalling. Follow the appropriate steps to reinstalling EasyAntiCheat in the device:

Step 1: Launch Steam, then navigate to the Library menu and pick Lost Ark.

Step 2: Then, select Manage from the menu that appears when you click the gear icon.

Step 3: Following that, click the option to Browse local files, and then open the EasyAntiCheat folder.

Step 4: After that, start the procedure by opening the EasyAntiCheat Setup.exe file by double clicking on it.

Step 5: Choose the Repair menu item and see if that helps.

Step 6: In the event that you respond with a negative tone, you should continue with the procedure of re-installation.

Step 7: Check to see whether it resolves the problem of Lost Ark not loading due to the EasyAntiCheat (EAC) bug.

Disabling the Proxy/VPN Related services:

There is a possibility that a few of the starting procedures are currently operating in the background, which is causing interference with the anti-cheat. These programs have a tendency to continue to churn out their functionality in the background, even if you are not actively running VPN software in the foreground at the moment. As a result, you ought to think about temporarily deactivating such processes and then evaluating the effects of this action. Follow the appropriate steps to disabling the Proxy/VPN Related services in the device:

Step 1: Firstly, launch Task Manager via Ctrl+Shift+Esc shortcut keys.

Step 2: Then navigate to the Processes tab of that program, and if you discover any processes there that are associated with a VPN, select one of those processes and click the End Task button.

Step 3: In the same way, repeat the same steps under the Background Processes section.

Step 4: After that, navigate to the Details page and repeat the step for each of the executable files associated with the VPN.

Step 5: Check to see whether the underlying issue has been fixed to see if this was successful.

Hiding Third-Party Services:

There is also the possibility of third-party app services causing a conflict with the game’s background processes in some circumstances. If you want to be sure that holds true this time around, too, you can test the results of temporarily disabling these services. Follow the appropriate steps to hide third-party services in the device:

Step 1: Firstly, press the Windows+R shortcut key to bring up the run dialog box.

Step 2: Then, enter the command that is listed below and hit Enter to launch the System Configuration window.

msconfig

Step 3: Now click on the Services tab, and make sure the box next to “Hide All Microsoft Services” is marked.

Step 4: After that, select the “Disable all” option from the menu. It will turn off any services that are not associated with Microsoft.

Step 5: When you are finished, select Apply, then click OK to save the changes.

Step 6: Check to see if this resolves the problem of Lost Ark not loading because of the EasyAntiCheat (EAC) bug.