[Solved] Class Not Registered error in Windows 10

Windows has been working towards improving upon its shortcomings with every simultaneous version and update. They read generic feedback provided through in their forums and improve upon it with every update, patching most of the known issues. However, while many of them remain unresolved, a few are by built and we simply need to learn to deal with them. One such known issue is when the user gets the following error while trying to open applications and the file explorer:

Class Not Registered error in Windows 10

Class Not Registered Error In Windows 10

A few notable application upon trying to open which, we get this error are File Explorer, Internet Explorer, Start menu, etc. Since these apps are crucial, the issue could cause a total work stoppage.

The reason behind this error is that the DLL files of these programs have been unregistered. Try the following solutions one by one to resolve the issue:

Solution 1 –  Re-register ExplorerFrame.dll file

1] Press Win + R to open the Run window and Enter the command cmd. Upon pressing Enter, it would open the Command Prompt window.

2] Enter the following command in the window:

regsvr32 ExplorerFrame.dll

Re Register Explorerframe.dll File

Press Enter, let the command run and restart the system. This will help detect corrupt operating system files and replace them.

Solution 2 – Run System File Checker to replace the corrupted ExplorerFrame.dll file

In case your system’s ExplorerFrame.dll file is corrupt in itself, the previous solution wouldn’t work. In this case, we could try an SFC scan.

1] Open the Command Prompt as suggested in the previous solution.

2] Type the command sfc /scannow and press Enter.

Run System File Checker To Replace The Corrupted Explorerframe.dll File

The System File Checker is a utility which is integrated with the concept of Windows Resource Protection. Since protected files on the system are not supposed to be modified, it checks for any such modification and restores the changes, if any. Please read more about the same here.

Solution 3 –  Register DCOM components

1] Press Win + R to open the Run window. Enter the command dcomcnfg. Upon hitting Enter, it would open the Component Services window.

2] In the Component Services window, navigate to the following path:

Component Services >> Computers >> My Computer >> DCOM Config

Register Dcom Components

The moment you click on DCOM Config to expand the list, prompt windows would start popping up. Keeping clicking on Yes for each of them. It would help fix all DCOM errors.

Solution 4 –  Start the Internet Explorer ETW Collector service

1] Open the Run window as suggested in previous solutions.

2] Locate the Internet Explorer ETW Collector service. Since the services are listed in alphabetical order, it wouldn’t be difficult.

3] Right-click on it and then click on Start. It would initiate the service.

Hope it helps!

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