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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 error “explorer.exe class is not registered” typically arises when launching applications such as File Explorer, web browsers, or third-party software. This issue prevents normal access to the affected application and is often caused by a missing or corrupted Explorer.exe system file, virus/malware infections, third-party app malfunctions, or unregistered DLL files.
class not registered explorer.exe
Given the potential causes for the “explorer.exe has no registered class” issue, let’s address the problem by focusing on these key factors. Let’s proceed with the troubleshooting process.

II. How to solve the sudden explorer.exe class not registered error in Windows 10?

1. Restart Windows Explorer

To resolve the Windows error, restart Windows Explorer. Prolonged operation of an Explorer file may lead to crashes, resulting in a “No class is registered” error. Here’s the detailed process:
Press Ctrl + Shift + Esc to open Task Manager. Under the Processes tab, right-click Windows Explorer and select Restart. Afterward, reboot your computer to check if the issue is resolved.
restart Windows Explorer

2. Re-register ExplorerFrame.dll

The explorerframe.dll is crucial for File Explorer. If it fails or goes missing, you might see the “explorer.exe does not register a class” error. To fix this, re-register the ExplorerFrame.dll file with the following steps:
Step 1: Start the computer, press Windows+R, type cmd in the run window, and click OK to open the command prompt.
press win and r to run cmd
Step 2: Type in the command regsvr32 ExplorerFrame.dll and hit Enter to re-register the DLL file. Once the command executes, reboot your PC to see if the issue is resolved.
regsvr32 explorerframe

3. Disable iCloud using Task Manager

To resolve the “No class registered” error caused by the iCloud process, disable it by following these steps.
To open Task Manager, press Ctrl + Shift + Esc. In the Processes tab, right-click on the iCloud option and choose End Task.
end task

4. Create a new Windows user account

If the previous solutions fail, resolve the issue by creating a new Windows user account. This approach can address issues stemming from the original account’s restricted permissions. Follow these steps to create a new account:
Step 1: Boot up your computer and press Windows+I simultaneously to open the Windows Settings. Then, choose the Accounts section to continue.
accounts in Windows settings
Step 2: Select Family & other users on the left and then click Add someone else to this PC on the right.
add user to pc
Step 3: Click on the Users option on the left, then right-click in the right-side blank area and select New User.
add new user Windows
Step 4: On the new user creation page, enter the desired username and password, then click the Create button to establish a new Windows user account. Once created, log out from the current account and sign in with the new account to verify if the issue has been resolved.
add new user windows
You can also use DISM and SFC commands to scan system files, perform Windows Update, System Restore, or Reset This PC. In case of accidental file deletion while fixing errors, refer to the third section below for data recovery steps. Let’s proceed.

III. When important files are accidentally deleted, use Renee Undeleter

1. What is Renee Undeleter?

Renee Undeleter is a software designed for data restoration. It’s highly effective for scenarios such as accidental deletion of important files, recycle bin clearance, or disk/memory formatting. This utility provides four main functions: Fast Partition ScanWhole Partition ScanWhole Disk Scan, and Image Creation, each offering a user-friendly and adaptable experience.
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2. How to restore accidentally lost files with Renee Undeleter?

Step 1: Download, install, and launch Renee Undeleter. Select the “Fast Partition Scan” option from the main menu.
fast partition scan with Renee Undeleter
Step 2: Select the partition containing the lost data and click Next to begin the scan. Patiently await the completion of the scanning process.
scan disk with Renee Undeleter
Step 3: Select Fast Scan and click Next to start the scanning process. It’s important to note that the Fast Partition Scan – Fast Scan only examines the first 30GB of the chosen disk’s available space. Should your file remain undetected, opt for the Fast Partition Scan – Deep Scan, which is more comprehensive but also more time-consuming. Your patience is appreciated.
fast scan lost data
Step 4: Once the scan completes, preview the file by double-clicking it. Choose the file you wish to recover and click the Recover button to save it onto an alternate disk.
recover files with Renee Undeleter