Fix Microsoft Store Error 0xc03f40c8

The following fixes will help you in resolving Error 0xc03f40c8 for Microsoft Store on Windows 11/10:

1] Use Windows App Troubleshooter

Microsoft has released a dedicated Microsoft Store apps Troubleshooter.

You need to download and run it.

2] Run Windows Update Troubleshooter

Run the Windows Update Troubleshooter and then try again.

3] Reset Microsoft Store via Settings

Open Windows 10 Settings > Apps. Here you need to reset the Microsoft Store app.   Having done that, try again.

4] Reset the connectivity mechanism for the Microsoft Store

You need to use the Network Reset option in Settings to reset the connectivity mechanism. Related post: List of Microsoft Store error codes, descriptions, resolution. I hope these fixes help you fix the error.