How to fix Windows update error 0x8024401f (Nothing else worked)

If none of the other solutions worked, you can take advantage of the Windows refresh option, to fix error 0x8024401f, effectively. Your computer’s settings will be restored to their default values and any application that was NOT installed through the Windows Store will be removed. Therefore, if you have important data stored on your computer, make sure to copy them elsewhere.

To refresh Windows, follow the steps below:

1. Move the mouse pointer to the top/bottom-right corner, click on Settings and select Change PC settings. 
   

   

   
   
   
2. Select Update and recovery -> click on Recovery
   

   

   

3. Select Get Started under Refresh your PC without affecting your files
   

   
   
   

4. Insert the DVD that contains the Windows 8(.1) installation files (if needed)
5. Click on Next and then on Refresh;
   
   

   

   

   

If none of the other solutions worked, use the PC refresh option to fix this update error. Your computer’s settings will be restored to their default values and any application that was NOT installed through the Windows Store will be removed. Before doing PC refresh, copy your documents elsewhere first.

To do a PC refresh, follow the steps below:

1. Open the Start menu and click on Settings;
   
   

   

2. Select Update and Recovery/Security (depends on the Windows version);
   
   

   

3. Select Recovery (if you clicked on Update & security) and click on Get started under Reset this PC;
   
   

   
   
   

4. Select Keep my files;
   
   
   
   
5. Click Next once you see the applications that might be modified (deleted or those that need to be reinstalled);
   
   

   

6. Click on Reset;
   
   

   
   
   

Note: Don't interrupt the process, to avoid data loss. If you use a laptop, plug it in its adapter.