Solved - the Application Was Unable to Start Correctly 0xc000012d

Windows 10/11 application startup failed, error code 0xc000012d? MiniTool solutions provide you with a step-by-step repair guide!

On Windows 10/11 systems, when starting a specific program or application, you may encounter the common error code 0xc000012d, and the following error message is displayed:

The application cannot start normally (0xc000012d). Please click OK to close the application.

This error can be caused by a variety of factors, including:

• The system shuts down unexpectedly.
• Application compatibility issues.
• System files are corrupt.
• Malware or virus infection.
• Insufficient permissions.
• System configuration error.

How to fix 0xc000012d error on Windows 10/11?

Method 1: Run SFC and DISM

System file corruption is a common cause of many PC errors, including 0xc000012d. Here's how to fix it with SFC and DISM:

Step 1. Run the command prompt as administrator.

Step 2. Enter sfc /scannow and press Enter .

Step 3. Run the following command:

DISM /Online /Cleanup-Image /RestoreHealth

Step 4. Restart the system.

Method 2: Uninstall the recently installed application

Sometimes a newly installed application may be incompatible with the one you are trying to launch, and uninstalling it may be helpful. Please follow these steps:

Step 1. Press Win R key to open the Run dialog box.

Step 2. Enter appwiz.cpl and press Enter to open the program and function .

Step 3. Locate the recently installed application, right-click and select Uninstall .

Step 4. Confirm the operation and follow the Uninstall wizard to complete the uninstall process.

Method 3: Run the application as an administrator

Insufficient permissions may also cause the application to fail to start properly (0xc000012d) error. Try running the executable file of the application as an administrator:

Step 1. Right-click the application and select the location to open the file .

Step 2. Locate the executable file for the application, right-click and select Run as administrator .

Step 3. If the User Account Control prompt appears, click Yes to grant permissions.

Method 4: Grant full control permissions for the application exe file

Another workaround is to grant full control permissions to the executable of the application:

Step 1. Right-click the exe file and select Properties .

Step 2. In the Security tab, click Edit .

Step 3. Select your user account under Group or username , select the Allow check box next to Full Control , and then click OK to save changes.

Method 5: Perform system restoration

If the error code 0xc000012d appears after making a major change to the system, you can consider performing a system restore. This restores your operating system to its previous state and cancels the changes you made.

Step 1. Right-click the Start menu and select Run .

Step 2. Enter sysdm.cpl and press Enter to open system properties .

Step 3. On the System Protection tab, click System Restore , and then click Next .

Step 4. Select the desired restore point and click Next .

Step 5. After confirming all details, click Finish to start the process.

Conclusion

Whatever the reason why the application fails to start properly and displays the error code 0xc000012d will affect your productivity and may even cause further damage to your computer. Therefore, it is recommended that you use MiniTool ShadowMaker to back up important data in advance. Hope the above solution can help you!

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