[FIXED] Assertion Failed: Array_Count in Ark

You may encounter the assertion failed error in Ark game due to the blocking of access to protected system resources by UAC. Moreover, corrupt game files, mods, or corrupt installation of the Steam client may also cause the error under discussion.

The affected user encounters the assertion failed error when he tries to join an online game server. The issue is not specific to a particular map of the game.

Before proceeding with the solutions, make sure the Steam servers are up and running.

Solution 1: Launch the Game Directly from the Installation Directory

You may encounter the error at hand if the Steam client is having trouble in launching the game or the shortcut of the game is corrupt. In this context, launching the game directly from the installation directory may solve the problem.

1. Launch the File Explorer and navigate to the installation directory of the Ark game. Usually, it is:

   C:\Program Files (x86)\Steam\steamapps\common\ARK\ShooterGame\Binaries\Win64

2. Now launch ShooterGame.exe and check if the game is working fine.

   

Solution 2: Launch Steam/Ark With Administrator Privileges

In the recent version of Windows, Microsoft has quite impressively enhanced privacy and security features of its OS. One of such features is protecting vital system resources by UAC. You may encounter the error under discussion if the game/Steam could not access an essential system resource due to UAC restrictions. In this context, launching the Steam/game as an administrator may solve the problem.

1. Right-click on the shortcut of Steam and then click on Run as Administrator.

   

2. Then launch the game through the Steam to check if it is working fine.
3. If not, exit Steam and navigate to the installation directory of the Ark Game using the File Explorer. Usually, it is:

   C:\Program Files (x86)\Steam\steamapps\common\ARK\ShooterGame\Binaries\Win64

4. Now, right-click on the ShooterGame.exe and then click on Run as Administrator.
5. Now check if the game is working fine.

Solution 3: Verify the Integrity of the Game Files of Ark

You may encounter the error under discussion if the game files of Ark, essential for the operation of the game, are corrupt. In this context, verifying the integrity of the game files may solve the problem. This process will check the game files against the server version of the files, and if there are any missing/corrupted files, then the files will be replaced with fresh ones.

1. Restart your system and then launch Steam. Then navigate to the Library.
   
2. Now right-click on Ark and then in the menu shown, click on Properties.

   

3. Now navigate to the tab of Local Files and click on the Verify Integrity of Game Files button.

   
4. Wait for the completion of the verification process and then check if the game is clear of the error.

Solution 4: Unsubscribe from All the Mods and Reinstall the Maps/DLC

Players can add or modify the content of the game through Mods available through Steam Workshop. You may encounter the error under discussion if any of the mods related to the game are corrupted or is incompatible with the version of the game. In this case, unsubscribing from all the mods and reinstalling the related DLCs/maps may solve the problem.

1. Launch Steam and open the Ark game’s menu.
2. Now click on Content Manager.

   

3. Then, in the left pane of the window, click on Steam Workshop.
4. Now,  in the right pane of the window, click on Unsubscribe All.

   

5. Then launch the File Explorer and navigate to the Mods folder. Usually, located at:

   C:\Program Files (x86)\Steam\steamapps\common\ARK\ShooterGame\Content\Mods

   

6. Now backup content of this folder to a safe location and then delete all the contents of this folder (not the Mods folder itself).
7. Then log out of the Steam client and exit it.

   

8. Now kill all of the Steam-related processes through the Task Manager.
9. Now restart your system and then launch/sign-in to the Steam client.
10. Now navigate to Library and right-click on Ark.
11. Then in the menu shown, click on Properties and navigate to the DLC tab. Uncheck all the DLC/maps there.

    

12. If no DLC tab is shown to you, then you do not own the game. In this case, contact the person who is the owner of the game/DLC and he should log-in to Steam and download it for you.
13. Now open Settings of Steam and in the left pane of the menu, click on Downloads.
14. Then click on the Clear Download Cache button.

    

15. Now restart Steam and your system. Upon restart, verify the integrity of the game files of Ark as discussed in solution 3.
16. Then install the DLC/maps by clicking on the concerned checkboxes (steps 10 and 11).
17. Now, wait for the completion of the download of DLC/maps and then check if the game is operating fine.

Solution 5: Reinstall the Steam Client

If nothing has worked for you, then most probably the installation of the Steam client is corrupt and is the root cause of the issue under discussion. In this scenario, reinstalling the Steam client may solve the problem.

1. Exit Steam and open File Explorer to navigate to the installation path of Steam. Usually, it is:

   C:\Program Files\Steam

2. Now backup the steamapps folder to a safe location to keep the game installations.

   

3. On the Taskbar of your system, click on Windows Search box and type Control Panel. Then in the list of results, click on Control Panel.

   

4. Now click on Uninstall a Program.

   

5. Then in the list of installed apps, right-click on Steam and then click on Uninstall.

   

6. Now follow the instructions on your screen to complete the uninstallation and then restart your system.
7. Upon restart, download and install the latest Steam client from the official site.
8. Then install the Ark game with its related maps/DLCs and hopefully, the problem is solved.