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.
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.
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.
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).
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.
Step 2: After selecting the (Other users) option on the left, click the (Add others to this computer) button on the right.
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.
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.
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.