What to do if the application fails to start correctly on Windows 11 with the error 0xc00007b

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April 2023, 6April 2026, 1

This time, we will introduce how to deal with the situation when an error such as "0xc00007b" occurs when you open an application and it cannot be started normally.

table of contents

What to do if the application does not start correctly

Common reasons why an application may not start correctly are corrupted system files, corrupted DirectX components, or issues with the application itself.

1. Repair system files

If a Windows 11 system file is corrupted, all applications associated with it may stop working properly.

In this case, you can run the System File Checker to repair the system files and allow the application to run normally.

Repairing system files in Win10/Win11 with "System File Checker"

2. Reinstall the application

There may be a problem with the application itself, so if there is a new version available, try updating it and see what happens.

If there is no new version available or updating does not improve the situation, try uninstalling the application and then reinstalling it.

3. Repair DirectX components

DirectX is a set of components developed by Microsoft for Windows that enhances gaming and multimedia features.

If a DirectX component becomes corrupted, the associated application will not be able to function properly.

An easy way to repair your DirectX components is to download the "DirectX End-User Runtime Web Installer" and run the installation.

Download the DirectX End-User Runtime Web Installer

1. Open the "DirectX End-User Runtime Web Installer" download page.

https://www.microsoft.com/ja-jp/download/details.aspx?id=35

2. Click the "Download" button to download.

"DirectX End-User Runtime Web Installer" download page

Although "Windows 11" is not listed as a supported operating system, that's OK.

Supported operating systems:

Windows Server 2008, Windows XP Service Pack 3, Windows Server 2003 Service Pack 1, Windows Server 2003 Service Pack 2, Windows 7, Windows XP Service Pack 2, Windows Vista

Installing the DirectX End-User Runtime

1. Run the downloaded "dxwebsetup.exe".

2. The "User Account Control" screen will appear. Click "Yes".

3. The DirectX setup start screen will appear, so click "Next".

4.If you want to install Bing Bar, check "Install Bing Bar." If you do not want to install it, uncheck it and click "Next."

5. The "Component Installation" screen will appear, so click "Next".

The components will begin downloading.

Once the components have finished downloading, the installation will begin.

6. When the installation is complete, click "Finish."

This completes the repair of your DirectX components.

You don't need to restart your PC, but we recommend restarting it once.

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Person who wrote this article

wenbang

Driven by questions arising from my daily PC use and the desire to "do more," I have been pursuing self-study in Windows since around 2008. I am sharing the "aha!" techniques and solutions I discovered through trial and error with the sole purpose of helping you in your PC life.

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