FIX: Application unable to start correctly error 0x000007b

Ivan Jenic
by Ivan Jenic
Troubleshooting Expert
Passionate about all elements related to Windows and combined with his innate curiosity, Ivan has delved deep into understanding this operating system, with a specialization in drivers and driver troubleshooting. When he's not tackling... Read more
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  • The error 0x000007b can be triggered by misconfigured system files in your Windows OS.
  • To fix this, make sure to have the correct environment, depending on your system architecture.
  • Running the built-in troubleshooter to get rid of the 0x00007b error is another solution.
  • You can also try to run in compatibility mode the app that leads to this error.
error 0x000007b
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Some Windows users complained that every time they try to open a particular program or game, an error message 0x000007b occurs.

Error code 0x000007b is an issue caused by misconfigured system files in your Windows operating system. Running a 32-bit program on 64-bit Windows or vice-versa can cause this problem.

There are many reasons why this error message shows up, but there are also a couple of solutions to this problem, and we’re going to show them to you.


How do I fix error 0x000007b in Windows 10?

1. Make sure to use the right architecture

As we said, various factors could cause this error, but the most common one is mixing 32bit and 64bit environments. For example, when 32bit application loads a 64bit DLL, error 0x000007b will show up.

For that purpose, we strongly advise you to run the respective installer which fits your current system architecture.

By doing so, you’ll avoid the issue at hand. Most of the applications come with both x64 and x86 installers, respectively.


2. Reinstall .NET Framework

  1. Navigate to the official .Net Microsoft site.
  2. Scroll to the bottom and select the .NET framework installer.
  3. Download Runtime and not Developer versions.
  4. Run the installer from the download menu and install it.
  5. Side note: If it get’s stuck, don’t worry, the installation will continue eventually.

The most common solution for this error is simply the re-installation of .NET Framework.

You can easily download .NET Framework 4.5 installation, but if you’re using an older version, just browse the internet for the proper installation file.

If the .NET Framework 4.5 is below the minimum requirements, make sure to download the latest release. Once you’ve installed it, the program should be able to start without the Error 0x000007b.


Learn everything there is to know about installing .NET Framework is right here!


3. Reinstall the troubled application

  1. In the Windows Search bar, type Control and open Control Panel.
  2. Open Uninstall a program from the Category view.
  3. Uninstall the troubled program and restart your PC.
  4. Install the program and look for changes.

If the re-installation of .NET Framework didn’t work, you can try to re-install a program or game which gives you this error. This should resolve the majority of system-imposed issues.

It maybe sounds like a shabby solution, but there’s a possibility that installation wasn’t completed successfully, and some data files are missing.

When you uninstall a program, there is a chance that some leftovers of the soft will still remain on your PC. Thus, we recommend you to use a third-party solution.

Get IObit Uninstaller


4. Install DirectX and redistributables

DirectX DLL errors

Since we’re talking about re-installations, you can as well try to re-install Microsoft Visual C++. You can download it from the Microsoft Oficial webpage.

We advise you to install the latest Microsoft Visual C++ Redistributable and the one which covers the game release date. So, for example, if your game dates to 2014, make sure to acquire the C++ 2013.

And finally, the last re-installation on our list is the re-installation of DirectX.

The new installation of DirectX will only work if some game is giving you a 0x000007b error message, because as you probably know, DirectX is a crucial feature for running a lot of games.

Sometimes, even though your DirectX installation is up to date, you’ll need to install the one which is provided with the game. Some games require DirectX 9.0c.


Unable to install DirectX in Windows 10? Solve the issue in no time with the help of our guide!


5. Run the installer in the compatibility mode

  1. Right-click on the installation setup file (most of the time it has the EXE extension) and open Properties.
  2. Select the Compatibility tab.
  3. Check the Run this program in compatibility mode for box.
  4. From the drop-down menu, select an older Windows iteration.
  5. Check the Run this program as an administrator box.
  6. Confirm changes and try installing the program again.

This might seem like a long shot but the compatibility issues are far from uncommon on Windows. In order to avoid that, you can run the installer or respective applications in compatibility mode.

This should help you skip some hurdles imposed by the system, especially UAC and its limitations.


6. Run the Troubleshooter

  1. Go to the Settings app.
  2. Head over to Updates & Security > Troubleshooting.
  3. Find Program compatibility troubleshooter and click it.
  4. Now, go to Run the troubleshooter.
  5. Follow further on-screen instructions and let the wizard find any issues.
  6. Restart your computer.

The next thing we’re going to try is Windows 10’s built-in troubleshooting tool. This tool can help you solve various common issues from Windows 10.


7. Run SFC scan

  1. Go to Search, type cmd, and open Command Prompt as Administrator.
  2. Enter the following line and press Enter: sfc/scannow
  3. Wait for the process to finish.
  4. Restart your computer.

If none of the solutions above worked, we’re going to try another troubleshooting tool. The SFC scan is a built-in feature designed to deal with various system problems.


8. Run DISM

  1. Go to Search, type cmd, and open Command Prompt as Administrator.
  2. Enter the following command on the command line:
    • DISM.exe /Online /Cleanup-image /Restorehealth
  3. In case the DISM can’t obtain files online, try using your installation USB or DVD. Insert media and type the following command:
    • DISM.exe/Online /Cleanup-Image /RestoreHealth /Source:C:RepairSourceWindows /LimitAccess
  4. Make sure to replace C:RepairSourceWindows path of your DVD or USB.

DISM (Deployment Image Servicing and Management Tool ) is another great built-in tool from Windows platform that can be used to repair your Windows OS.


That would be all, I hope that at least one of these many re-installations will help you to solve the problem with error 0x000007b.

If you have any comments, suggestions, or you maybe know some other re-installation that we could add to this article, write to us in the comments section below, we would love to read it.

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