What Is the “Class Not Registered” Error?
Windows' “Class Not Registered” error appears when youtry to launch an app on your PC.
The error doesn’t let you get past the message screen, preventing you from using your app.
Hannah Stryker / How-To Geek
This problem can have several possible causes.
How to address the “Class Not Registered” Error?
To start,right-clickyour “Start” menu icon and choose “Task Manager.”
On the Task Manager window, right-click “Windows Explorer” and select “Restart.”
File Explorer will close and then immediately reopen.
In this case, re-register all the DLL files stored on your PC to potentially resolve your issue.
To do that, first, initiate the “Start” menu and find “Command Prompt”.
On the right, select “Run as Administrator.”
Then, in the “User Account Control” prompt, choose “Yes.”
You’re then ready to launch your app.
Related:What Are DLL Files, and Why Is One Missing From My PC?
In this case, reset all your default apps, and your issue will likely be fixed.
Toreset default apps on Windows 11, head into prefs > Apps > Default Apps.
On Windows 10, go to configs > Apps > Default Apps.
Here, under the “Reset to the Microsoft Recommended Defaults” section, click “Reset.”
Try tolaunch File Explorer(using Windows+E), and it should work.
Doing this helps fix many issues with your Store apps.
In the “User Account Control” prompt, choose “Yes.”
In PowerShell, throw in the following command and press Enter.
This command re-registers all your Store apps for all users on your PC.
When your apps are re-registered,start your PC, and then launch your desired Store app.
In this case, take a stab at repair those packages.
And if that doesn’t work, uninstall and reinstall the packages, which will fix your problem.
To do that,open Control Panel on your PCand select “Uninstall a Program.”
Find and select a Microsoft Visual C++ Redistributable package on the list.
Then, at the top, click “Change.”
On the open window, select “Repair.”
Do this for all the packages on the list.
Then, head tothe Microsoft Visual C++ Redistributable siteand download and plant the fresh new packages.
Many problems, likeviruses and malicious apps, can cause these files to go corrupt.
In the “User Account Control” prompt, choose “Yes.”
On the Command Prompt window, enter the following command and press Enter.
This command downloads the required files to fix your broken files.
On the following page, select “Open System Restore.”
On System Restore’s first page, select “Next.”
Choose “Finish,” and Windows will begin restoring your PC.
When that’s done, launch your desired app, and your issue will likely be fixed.
And that’s how you get around a “Class Not Registered” error on your Windows PC.
Enjoy using your favorite apps again!
Related:How to Fix Startup Problems with the Windows Startup Repair Tool