How to Fix “Class not registered” Error on Windows 10?

How to Fix "Class not registered" Error on Windows 10?

“Explorer.exe Class not registered” are you struggling with this error? If yes, we want to tell you that you are not alone to face this error. It is a common error encountered by many Windows 10 users. After the release of Windows 10 creator update people are appreciating its new features but soon it is being criticized when such error is encountered. Let’s understand it first,

What does “Class not registered” error on Windows 10 mean?

Basically, it is a pop-up error message that usually appears when somebody tries to access jpeg. or png. images or some other format of images, Microsoft Edge, Internet Explorer, and Google Chrome. This error pops-up due to unregistered DLL file of Apps and programs.

How to Fix "Class not registered" Error on Windows 10?

When a DLL file becomes unregistered then this type of error occurs. A DLL file (Dynamic Link Library) is a type of file that contains necessary instructions for all other programs about how to perform some certain operations. The data allocated to a single file can be shared by multiple programs simultaneously. That’s why it is called “dynamic” because the data is used only as per the requirements. Unlike all other executable programs (with .exe file extension),.DLL files can’t be run directly. Other code must be required that is already running. Apart from this, DLL files have the same format as .exe files and even some may use the .exe file extension.

So this error Class not registered occurs only when a .DLL file becomes unregistered. It can affect any software. In this guide, I will try to explain to you how to fix this error by applying different working solutions.

Various Issues reported by users

Class not registered error can cause various issues to your system. And here we will discuss those issues reported by various users:

Class not registered error while opening pictures, videos – This error message can appear while opening pictures or videos. If you encounter this problem, try out with our solutions.

Class not registered PDF – Many users reported this error while trying to open PDF files. This can be fixed by using one of our solutions listed below.

Class not registered explorer.exe, Internet Explorer, Outlook, Microsoft Edge – This error message can occur while trying to run various applications. According to the users, this error message can appear in Internet Explorer, Outlook, Edge. It can also occur while using Windows Explorer.

Class not registered Windows 10 Photos – This error message can appear on any of the Windows version, and so many users have reported it while running Photos app.

Class not registered msstdfmt.dll – Sometimes DLL files can create this issue, and if you are experiencing it on your PC, try to remove the application associated with that DLL file and check if it resolves the issue.

How to fix “explorer.exe Class not registered” error

If you face this error you may have to perform,

  • Re-register ExplorerFrame.dll file,
  • Run System File Checker to replace corrupted Explorer Frame.dll file,
  • Disable iCloud,
  • Register DCOM components,
  • Start Internet Explorer ETW Collector Service,
  • Re-register Windows Store App,
  • Set Edge as a default browser or,
  • Restart explorer.exe

Friends, Device tricks expert’s team has researched, for some solution to fix this error. Let’s follow them one by one.

Re-register ExplorerFrame.dll file

  • Search for Command Prompt in Start menu and run it as Administrator.
Search for Command Prompt in Start menu and run it as Administrator.

 

  • When the Command Prompt starts, type the code regsvr32 ExplorerFrame.dll and press enter.
When the Command Prompt starts, type the code regsvr32 ExplorerFrame.dll and press enter.
  • Once the process is completed, restart the computer and check whether the error has been fixed or not.

Run the System File Checker

  • Open the Command prompt by searching in the Start menu and run it as Administrator.
Open the Command prompt by searching in the Start menu and run it as Administrator.

 

  • Once the Window is open type sfc /scannow and hit enter to run the process.

Once the Window is open type sfc /scannow and hit enter to run the process.

  • If the process is completed, restart the computer. It will search for corrupted operating files and will replace it if any are found.

Disable iCloud

  • Press Ctrl+Shift+Esc to start Task Manager.
Press Ctrl+Shift+Esc to start Task Manager.

 

  • Go to Startup tab and search down for iCloud, right-click and select Disable option to disable it.
Go to Startup tab and search down for iCloud, right-click and select Disable option to disable it.

 

  • Restart the PC and check for the error.

Register DCOM Components

  • Open the RUN program by pressing Windows + R key and type dcomcnfg and hit enter to open Component Services.
Open the RUN program by pressing Windows + R key and type dcomcnfg and hit enter to open Component Services.

 

  • Navigate to the following path initially selecting Component Services then Computers then My Computer then DCOM Config.
Navigate to the following path initially selecting Component Services then Computers then My Computer then DCOM Config.

 

  • After expanding DCOM Config a message box will pop asking you about if you want to register some component. Click Yes, the message happens twice or multiple times.

After expanding DCOM Config a message box will pop asking you about if you want to register some component. Click Yes, the message happens twice or multiple times.

  • This will help in fixing the DCOM Config. Reboot the PC and check out for the error.

Check If Internet Explorer ETW Collector Services is running

  • Press Windows + R key to open the Run program. Type services.msc and press OK to open the services.
Press Windows + R key to open the Run program. Type services.msc and press OK to open the services.
  • In the list shown search for Internet Explorer ETW Collector Service, right-click on it and select for Start option.
In the list shown search for Internet Explorer ETW Collector Service, right-click on it and select for Start option.
  • Once the service has started the problem will be resolved automatically.

Re-register Windows Store App

  • Create a System Restore point first. Then press Windows +Q key and type PowerShell. Right Click on it and run as Administrator.
Create a System Restore point first. Then press Windows +Q key and type PowerShell. Right Click on it and run as Administrator.
  • Once the Window is open type the following command, Get-AppXPackage | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register “$($_.InstallLocation)\AppXManifest.xml”}

Once the Window is open type the following command, Get-AppXPackage | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register "$($_.InstallLocation)\AppXManifest.xml"}

  • Hit enter.
  • Once the command is successfully executed reboot the machine and restart it to check whether the problem is resolved or not.

Set Edge as a Default Browser

  • Press Windows +S Key to open the search bar and type Control Panel and select it to open it.
Press Windows +S Key to open the search bar and type Control Panel and select it to open it.
  • Select Program option to open it

Select Program option to open it

  • Select the Default program from the menu.
Select the Default program from the menu.
  • Under Default programs choose for Set your Default program option.
Under Default programs choose for Set your Default program option.
  • Navigate to web browser section, click on it and choose Microsoft Edge from choose an App list to set the Microsoft Edge as a default browser.
Navigate to web browser section, click on it and choose Microsoft Edge from choose an App list to set the Microsoft Edge as a default browser.
  • Restart the PC and look out if the error has been fixed or not.

Restart explorer.exe

  • Press Ctrl+Shift+Esc to start Task Manager.
Press Ctrl+Shift+Esc to start Task Manager.
  • Go to the Details tab and select explorer.exe from the list. Select End task.
Go to the Details tab and select explorer.exe from the list. Select End task.
  • From the Task, manager Bar go to File and Run new task.
From the Task, manager Bar go to File and Run new task.
  • Create New Task window will appear, type explorer and press OK.
Create New Task window will appear, type explorer and press OK.
  • Explorer will start again and everything will be working normally.

Conclusion

Hopefully applying one of these solutions will fix the explorer.exe Class not registered error. If you still face the problem write us back in our comment section below. We will look it into your problem keenly and try to resolve your issue. For more such troubleshooting solution keep connected to us through our Facebook, Twitter, and Instagram portal. If you like this article and it helped in solving the error please like, follow, and share in your inner circle.

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