Repair Application Error 0xc000007b in Windows 10

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Marie-Ange Demory

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A known bug with Microsoft systems is: "The application failed to start correctly (0xc00007b)"

This error prevents the user from starting the application.


The cause of the error is when 64-bit applications on a 32-bit system or vice versa. It is very common after installing Microsoft Office.

Try the following solutions to fix the problem:

Solution 1: reinstall DirectX

1] Press Win + R to open the Run window and type the command C: Windows System32. Press Enter to open the file System32 binder.

2] Delete the file “Xinput1_1.dll”, “xinput1_2.dll”, “xinput1_3.dll” and all files starting with xinput1_ *. Be very careful not to delete the wrong files or your system would start facing new problems.

3] Once these files are deleted, delete them again from the trash folder so that they are not present in the system.

4] Go to this link and download DirectX.

5] Install DirectX and reboot the system.

Solution 2: Reinstall the .NET Framework

It is not necessary to remove the .NET Framework before reinstalling it. Just download it from this link on Microsoft's website and install it.

Solution 3: reinstall your app

Reinstalling the application as provided here requires more than just uninstalling from Programs and Features and installing again. We suggest that you use Microsoft's own or third-party tools to completely remove the application and all of its components.

To remove Microsoft Office, we may use the tool mentioned in option 2 on the Microsoft support website. Here.

Once uninstalled, install the program again after making sure you have the exact version of your system.

How to check if your system is 32-bit or 64-bit Windows OS?

1] Press Win + R to open the file run window and type command control panel. Press Enter to open the file Control Panel.

2] Select System from the list and check System type from the data mentioned, 32-bit operating system or 64-bit operating system.

Solution 4: Check your hard drive for errors

We can check the hard drive for bad sectors and other problems using the CHKSK (Check Disk) command.

1] Press Win + R to open the Run window. Write the command cmd and press Enter to open the Command Prompt window.

2] Type the command chkdsk c: / f / r (where c: is the system drive) and press Enter. It will ask you if you want to scan your hard drive or not. Press Y and then Enter.

Reboot the system. It will check all bad sectors on the hard drive and try to fix them. When we are done with these solutions, we have exhausted the troubleshooting for all possible causes of the error and we hope you fix the problem.

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