How to Repair the Failed to Open Descriptor File in Ark

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Do you like playing Ark on your computer? Have you just bought an Ark, but can’t open it? You might get a “Failed to Open Descriptor File” error that won’t let you run the game. This is one of the most common errors that players encounter. Moreover, this error can occur in any game and is not specific to a particular game.

It can be very unpleasant. It is very annoying when you are ready to play your favorite game, but you can’t do it because of this error. So we decided to summarize the methods that may be useful to get rid of the error `Failed to Open Descriptor File` in Ark.

What is the reason for failing to open the descriptor file?

ARK: Survival Evolved may give an error when opening a descriptor file because the game files are corrupted. At the same time, the absence of the file `shootergame.uproject` in the game directory may cause the chat to fail. The affected user has an error when starting the game. Some users encounter an obstacle immediately after installing the game.

How to resolve the ‘Failed to Open Descriptor File’?



Updated: April 2025

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Check the integrity of the game files

Game files can be corrupted for a variety of reasons, such as a sudden system shutdown. The error described here can occur if the ARK: Survival Evolved game files are corrupted. In this context, using the built-in game file integrity checker can solve the problem. During the process, the files will be checked on the server and if there are corrupted/missing files, they will be restored from the server.

  1. Start the Steam client and open its library.
  2. Now right-click on the game icon and select “Properties”.
  3. Then go to the Local Files tab.
  4. Then click the Check Integrity of Game Files button.
  5. Now wait until the checking process is complete, then run the game and check if the problem is solved.

Move the game to the system disc

This error may also occur if the game is not installed on the system drive. In this case, moving the installation folder to the system disk may solve the problem.

  1. Start the Steam client and open its library.
  2. Now right-click on the game and select Properties.
  3. Then go to the Local Files tab.
  4. Now click on the Move installation folder and select a place on the system drive.
  5. Then start the game and hopefully, Ark will no longer show this error.

Copy the shootergame.uproject file into the game folder

The “shootergame.uproject” file is necessary for the game to work and may cause the error discussed if the file is missing from the game folder. In this case, the problem can be solved by moving the file “shootergame.uproject” from the download folder to the game folder.

  1. Exit the game/password client and make sure there are no game/uproject related processes running in Task Manager.
  2. Now open File Explorer and go to the following path:
    C: Program Files (x86)Steamsteamappsdownloadingæ110ShooterGame.
  3. Then copy and paste the shootergame.uproject file to the following path:
    C: Program Files (x86)SteamsteamappscommonARKShooterGame.
  4. Then open the Stam client and run the game to see if the problem is solved.



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