Are you seeing the “Class Not Registered” error in Windows 11 when opening apps like File Explorer, Photos, Microsoft Edge, or other programs? In this video, you'll learn how to fix the Class Not Registered error in Windows 11 with an easy step-by-step tutorial for beginners (2026).
This error usually happens because of corrupted system files, missing DLL registrations, or Windows app issues. The good news is that you can fix it quickly by following a few simple steps.
On Fix It With Nola, we create easy step-by-step tech tutorials, Windows troubleshooting guides, and quick PC fixes to help you solve common computer problems fast.
In this step-by-step Windows tutorial, you’ll learn:
✔ How to fix the Class Not Registered error in Windows 11
✔ How to repair Windows system files causing the error
✔ How to fix apps that won’t open due to the Class Not Registered error
✔ How to troubleshoot Windows errors step by step
This beginner-friendly tutorial (2026) works for Windows 11 PCs and laptops, and some methods may also help on Windows 10.
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