Fix Forza Horizon 4 This App Can’t Open Error

Forza Horizon 4 is one of the best car racing games available on the internet today. Yet, some users face several issues like Forza Horizon 4 this app can’t open error when you open the game. If you are also facing the same FH4 this app can’t open error on your PC, you are at the right place! This guide concentrates on troubleshooting hacks that will help you fix this app can’t open error on Windows 10 PC.

How to Fix Forza Horizon 4 This App Can’t Open Error

There is no specific reason that triggers Forza Horizon 4 this app can’t open issue. Yet, we have analyzed several online reports and discussion platforms and listed out the possible factors that cause the problem on your Windows 10 PC.

• The system requirements for the game are not met.
• Some background program is blocking the game.
• You are not using admin rights for the game to operate functionally.
• The corrupt Windows Store cache is preventing the game from being opened.
• Inappropriate date and time settings.
• The game is not set to high priority and your PC has high performance in Power settings.
• The graphics drivers on your PC are not compatible.
• Antivirus or firewall program on your PC is preventing the game from normal launch.
• Microsoft Visual C++ packages are not in the latest version.

Here are some effective troubleshooting methods that will help you fix FH4 this app can’t open error on your Windows 10 PC.

Method 1: Basic Troubleshooting Steps

Following is some of basic methods to solve the issue.

1A. Ensure PC Meets Game Requirements

Several users have reported that Forza Horizon 4 this app can’t open issue occurs on your PC when system requirements are not met by the game. Before downloading any app/game on your device, make sure your PC meets the minimum requirements of the app. To know the minimum requirements of any app, you must check its official website. You must check three aspects of requirements: Graphics card, DirectX, and system requirements.

Here are the requirements of your PC as expected by Forza Horizon 4.

1B. Close Background Tasks

Several background processes running on your PC may interfere with Forza Horizon 4 processes. These programs may contribute to this app can’t open error. Follow our guide How to End Task in Windows 10 to exit from all background processes.

1C. Set Proper Date & Time

Incorrect date and time settings in your computer may contribute to Forza Horizon 4 this app can’t open error on Windows PC. To sync the date, region, and time settings in your Windows 10 computer follow the below-listed instructions.

1. Press the Windows + I keys together to open Windows Settings.

2. Now, select the Time & Language option as shown.

3. Next, in the Date & time tab, ensure the two values Set the time automatically and Set the time zone automatically options are toggled on.

4. Then, click on Sync now as highlighted above. Check if the Forza Horizon 4 issue is resolved or not.

1D. Verify Integrity of Game Files (On Steam)

We have seen many cases in which the game files are either missing or corrupt or it had incomplete installations. Users could also experience Forza Horizon 4 this app can’t open error if they are interrupted by the update process or if the game files are being moved. In this method, you will be opening Steam and using the built-in function for verifying the integrity of the game. It will be replaced if the application finds something. Follow the steps discussed in our guide, How to Verify Integrity of Game Files on Steam.

Method 2: Update or Reinstall Graphics Drivers

If the above methods did not work for you, it is possible that you do not have the correct graphics drivers installed on your computer. Drivers facilitate the interaction between the hardware and the game and are the important components. If the drivers are corrupt or outdated, it may cause FH4 this app can’t open error. If you do not know to update the graphics drivers follow the instructions given in this guide 4 Ways to Update Graphics Drivers in Windows 10.

If updating your graphics drivers did not fix the discussed issue, then try reinstalling the graphics drivers. There are various methods to reinstall the graphics drivers on Windows. If you are new to reinstalling the graphic drivers, read this guide How to Uninstall and Reinstall Drivers on Windows 10 and follow the instruction given there.

Also Read: Fix Forza Horizon 4 Not Launching in Windows 10

Method 3: Update Windows

If your computer has any bugs then it might cause FH4 this app can’t open error, you can simply fix this by updating your operating system. Follow the steps that are given in this guide How to Download and Install Windows 10 Latest Update if you are new to updating your Windows 10 PC.

Check if the Forza Horizon (FH4) issue on PC issue is fixed after updating the Windows.

Method 4: Disable Antivirus Temporarily (If Applicable)

Any new latest updates of the game may sometimes be prevented by the antivirus suite. Antivirus software like Avast and Norton are most likely to prevent any latest update of Windows and it is advised to disable any third party or inbuilt antivirus software temporarily to fix Forza Horizon 4 this app can’t open error. Read our article on How to Disable Antivirus Temporarily on Windows 10 and follow the steps in the guide to disable your Antivirus program temporarily on your PC.

Once if you are able to fix the discussed issue, make sure to re-enable the antivirus program since a system without a security suite is always a threat.

Also Read: Fix Forza Horizon 5 FH301 Error Code

Method 5: Set Game Process to High Priority

The preference of an application or process tells the computer the importance and if it should be given preference over the others while allocating the resources. The priority of every application is normal except the system processes, by default. Forza Horizon (FH4) might not load on your PC if it didn’t get enough resources.

1. Press the Ctrl + Shift + Esc keys together to open Taskbar.

2. Now, search for the Forza Horizon (FH4) process.

3. Then change the priority to High Priority and check if this works.

Note: Change the priority with great caution as changing the priority of the process carelessly could make your system extremely slow or unstable.

4. Close the Task Manager and reboot your computer and check whether Forza Horizon (FH4) error on Windows 10 issue is solved.

Method 6: Set High Performance in Power Options

You can also optimize your game when setting your high-performance power plan settings. These power plans are developed to manage the power settings on portable settings. Follow the below-mentioned instructions to use high-performance power plan settings in your system.

1. Press the Windows + I keys together to open Windows Settings.

2. Now, scroll down the list and click on System as highlighted below.

3. Now, select the Power & sleep option and click on Additional power settings under Related settings. Refer to the pic.

4. Now, choose the High-performance option under High additional plans as shown in the below picture.

Now you have optimized your system, check if you can fix this app can’t open error or not.

Also Read: Fix Forza Horizon 5 Stuck on Loading Screen

Method 7: Reset or Re-Register Microsoft Store

Clearing the app and cache associated with Microsoft Store will help fix Forza Horizon 4 this app can’t open error. This process removes the Windows Store cache, login credentials, settings and preferences on your PC. Yet, the apps installed from Microsoft Store will be retained on your Windows 10 computer.

1. Hit the Windows key and type Microsoft Store, then select the App settings option.

2. Now, scroll down the Settings screen and click on the Reset option as highlighted.

Note: Your app data will be deleted while resetting Microsoft Store.

3. Now, confirm the prompt by clicking on Reset and reboot your computer.

Most probably resetting the Microsoft Store will fix this app can’t open error Windows 10 issue. Still if you face the same, consider re-registering the Microsoft store as instructed below.

1. Hit the Windows key and type Windows PowerShell, then click on Run as administrator.

2. Now, paste the following command line in the Windows PowerShell and hit Enter key.

PowerShell -ExecutionPolicy Unrestricted -Command "& {$manifest = (Get-AppxPackage Microsoft.WindowsStore).InstallLocation + 'AppxManifest.xml' ; Add-AppxPackage -DisableDevelopmentMode -Register $manifest}

3. Wait until the commands are executed and now the issue would have been fixed.

Method 8: Repair Microsoft Visual C++ Redistributable

Alternately, you can try to repair the Microsoft Visual C++ Redistributable packages to fix Forza Horizon 4 this app can’t open error as instructed in our guide How to Repair Microsoft Visual C++ Redistributable.

Also Read: Fix Forza Horizon FH5 Error 0x803FB107

Method 9: Reinstall Microsoft Visual C++ Redistributable

If the previous method of repairing the Microsoft C++ Visual Redistributable did not fix this app can’t open error, then you will have to reinstall the redistributable. Follow the given steps in our guide How to Reinstall Microsoft Visual C++ Redistributable to reinstall the packages again.

Method 10: Update DirectX

To enjoy a seamless multimedia experience on the Forza Horizon 4 game, you have to make sure whether DirectX is installed, and it is updated to its latest version. DirectX helps you improve the visual media experience for graphical games and applications especially. To do so, follow our guide, How to update DirectX in Windows 10.

Now, check if you can fix the error in FH4.

Also Read: Fix Microsoft Visual C++ 2015 Redistributable Setup Fails Error 0x80240017

Method 11: Reinstall Forza Horizon 4

If none of the methods have helped you, then try to reinstall the game if possible. All the settings and configurational setup will be refreshed when you reinstall it, and hence there are more chances that you would attain a fix for Forza Horizon 4 this app can’t open issue.

1. Press the Windows + I keys together to open Windows Settings.

2. Now, click on Apps setting.

3. Now, search and click on Forza Horizon 4 and select Uninstall option.

4. Now, confirm the prompt if any, and reboot the PC once you have uninstalled Forza Horizon (FH4).

5. Then, download the game again from Microsoft Store.

Finally, you have reinstalled Forza Horizon on your computer. It would have fixed all the issues associated with the app.

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We hope that this guide was helpful, and you could fix Forza Horizon 4 this app can’t open error on your device. Let us know which method worked for you the best. Also, if you have any queries/suggestions regarding this article, then feel free to drop them in the comments section below.