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Learn how to fix the "explorer.exe class not registered" error in Windows 10 and easily recover accidentally deleted data with our comprehensive article. Gain insights into the possible causes of the issue and explore various solutions for a hassle-free experience.

explorer.exe class not registered
I. Why does the error explorer.exe class not registered appear?
The “explorer.exe class is not registered” error usually occurs when opening an application, such as file explorer, web browser, third-party application, etc. Once this error occurs, you will not be able to access the current application normally. According to the analysis, the occurrence of this error is usually due to missing or damaged Explorer.exe system file, virus or malware attack, third-party application failure, unregistered DLL file, and so on.
Explorer has no registered class
Since the above reasons may lead to the problem of “explorer.exe has no registered class”, then let’s solve the current problem around these sources. We continue to learn.
II. How to solve the sudden explorer.exe class not registered error in Windows 10?

1. Restart Windows Explorer

To fix this Windows error, you can first try restarting Windows Explorer. Running an Explorer file for too long can cause the process to crash, and when Windows Explorer (explorer.exe) crashes, a “No class is registered” error message may appear. Here’s how to do it in detail:
Run Computer, press the (Ctrl + Shift + Esc) keys simultaneously to open the Task Manager window. Next, find the (Windows Explorer) option under the (Process) tab, right-click the option and select (Restart). When the operation is complete restart the computer and see if the problem is resolved.
Restart Windows Explorer

2. Re-register ExplorerFrame.dll

explorerframe.dll is an important file in the file explorer. When the file fails or is lost, the error “explorer.exe does not register a class” may appear. At this time, you can try to re-register the ExplorerFrame.dll file to Solve the current problem. The specific operation steps are as follows:
Step 1: Run the computer, press (Windows+R) keys at the same time to open the run window, then type (cmd) and click (OK) to open the command prompt window.
Open a command prompt window
Step 2: Enter the command (regsvr32 ExplorerFrame.dll) and press the (Enter) key to execute the command to re-register the DLL file. After the command is executed, restart the computer to check whether the current problem is resolved.
Enter the command to re-register the DLL

3. Disable iCloud using Task Manager

Sometimes, iCloud process can cause explorer.exe “No class registered” error. Therefore, you can solve the current problem by disabling it, the specific steps are as follows.
Run Computer, press the (Ctrl + Shift + Esc) keys simultaneously to open the Task Manager window. Next, find the icloud option under the (Processes) tab, right-click to select the option and select (End Task).
end task

4. Create a new Windows user account

If none of the above methods work, you can also try to solve the current problem by creating a new Windows user account. Because creating a new account means adding another user to the computer, doing so can effectively solve various problems caused by the limited permissions of the original account. The specific operation steps are as follows:
Step 1: Run the computer and press the (Windows+I) keys at the same time to open the Windows settings page. Then click on the (Account) option and enter.
Go to Account Options
Step 2: After selecting the (Other users) option on the left, click the (Add others to this computer) button on the right.
Click to add others to this computer
Step 3: Next, click on the (User) option on the left, and right-click on the blank area on the right to select the (New User) option.
add new user
Step 4: In the new user creation page, enter the username and password and click the (Create) button to create a new Windows user account. After the new user account is created, log out of the current account and log in to the computer with the newly created account to check whether the problem is resolved.
Enter username and password to create a new user
In addition to the above methods, you can also try to use DISM and SFC commands to scan system files; perform Windows Update, System Restore, Reset This PC, etc. If you accidentally delete the file in the process of fixing the error, you can also use the content of the third part below to retrieve the lost data, let’s continue to learn.
III. When important files are accidentally deleted, use Renee Undeleter

1. What is Renee Undeleter?

Renee Undeleter is a software dedicated to recovering various data files. It supports four functional modules, including file recovery, format recovery, partition recovery and image creation. It has various functions and is very convenient to operate. When you accidentally delete a file, empty the recycle bin or format the disk, as long as the data has not been overwritten, there is still a chance to retrieve it through this software.
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2. How to restore accidentally lost files with Renee Undeleter?

Restoring files with Renee Undeleter is very simple, the specific steps are as follows:
Step 1: Download, install and run Renee Undeleter, select the (File Recovery) option in the main interface.
Select file recovery options
Step 2: Next, select the partition where the lost data is located and click on (Next). Then enter the scanning process, please wait patiently.
Select target device for file recovery
Step 3: Select the (Quick Scan) option and click the (Next) button to scan. It should be noted that “File Recovery – Quick Scan” only scans the first 30GB of the remaining space of the selected disk. If the desired file is not found after scanning, you can use “File Recovery – Deep Scan” to try to scan the hard disk partition again, but it will take more time, please wait patiently.
Quick Scan Options
Step 4: Wait for the scan to complete, you can double-click the file to preview, then check the file to be recovered, click the (Recover) button to restore the file to another disk.
Select files to restore