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Fix Microsoft 365 App Error "Sorry, We Ran Into a Problem Loading This App"
Question details
The user needs to resolve an issue where the main Microsoft 365 dashboard application fails to load.
- Product
- Microsoft 365
- Device & OS
- Windows 11
- Scenario
- Launching the primary Microsoft 365 app on a Windows 11 computer to access documents and individual Office programs.
- Observed behavior
- The Microsoft 365 app displays the error "Sorry, We Ran Into a Problem Loading This App" and refuses to open, even though individual apps like Word and Excel work perfectly and repairing or reinstalling the suite does not help.
Verify that your individual Office applications like Word or Excel can still be opened directly from the Windows Start menu, as this confirms your Microsoft 365 subscription is active and the core files are intact.
Unblock Microsoft Edge WebView2 in Your Antivirus Software
Third-party antivirus programs like Norton 360 can sometimes mistakenly block the WebView2 process, which the Microsoft 365 web-based dashboard requires to render its interface.
The Microsoft 365 app relies on a system component called msedgewebview2.exe to display its content. If your security software restricts this executable, the app will fail to load, regardless of whether you reinstall the suite.
Launch Norton 360 or your active third-party antivirus application from the system tray located in the bottom-right corner of your Windows taskbar.
Navigate to the Firewall settings, Application Control, or Program Control menu within your antivirus software.
Search the application list for 'msedgewebview2.exe'. If it is listed as blocked or restricted, select it.
Change the access level for msedgewebview2.exe to 'Allow' or add it to your security software's exceptions or exclusions list.
Save your settings, restart your computer, and try opening the Microsoft 365 app again to confirm the error is resolved.
Launch Individual Office Applications Directly
If the main Microsoft 365 dashboard refuses to load, you can easily bypass it by opening the specific apps directly from Windows.
Switch to WPS Office for a Reliable and Lightweight Experience
If Microsoft 365 apps continue to experience loading issues or conflicts with your system's security software, try WPS Office. It provides a stable, unified workspace without relying on heavy background processes, offering a seamless alternative for all your document needs.
- 1. Download the installer: Visit the official WPS Office website and download the free installation file.
- 2. Install WPS Office: Run the setup file and follow the simple on-screen instructions to install the lightweight suite.
- 3. Open your documents: Launch WPS Office and instantly open your existing Word, Excel, and PowerPoint files without formatting loss.
Frequently Asked Questions
What is msedgewebview2.exe and why does Microsoft 365 need it?
Microsoft Edge WebView2 is a system component that allows desktop applications to embed and display web technologies (HTML, CSS, and JavaScript). The main Microsoft 365 dashboard app is largely web-based and relies entirely on this process to render its user interface.
Why do my individual Office apps work when the main app doesn't?
Individual programs like Word, Excel, and Outlook are traditional, standalone desktop applications that process data locally on your machine. In contrast, the main Microsoft 365 app acts as a web-based dashboard and launcher. If web-rendering components are blocked, only the dashboard is affected.
Will reinstalling Microsoft 365 fix the loading error?
In cases where a third-party antivirus program is blocking a necessary system process like WebView2, reinstalling or repairing Microsoft 365 usually will not resolve the issue. The app will only load successfully once the block is manually removed in your security software settings.
