Resolving “Windows update elevatenonadmins Error”

Users reported that they encountered the elevated non-admins error while using Windows Update service.
> Update was failing with error: “Windows was unable to complete the > update. The Windows Update service failed the logon. This could be caused by > incorrect file permissions, or because the Windows Update service cannot > access the files needed for this install. (Code 80240020)”
However, the error is a temporary one, which means that you can fix it by following the steps in this article.

• The Windows Update elevatenonadmins error can block you from updating your PC—but that’s not the only problem.
• The Windows update error 80072f78 can occur due to corrupted files, so try to repair them.
• On the other hand, users reported that this BSoD error occurs when they try updating Windows on virtual machines.
• This problem can be solved by uninstalling the chipset drivers, so follow all the steps below.

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1. Download and install ASR Pro

2. Run a scan to find and fix errors

3. Reboot your computer for the changes to take effect

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Run SFC and DISM scans

1. Click on Start
2. Type cmd
   
3. Right-click on Command prompt
4. Select Run as administrator
5. Type the following command and press Enter: DISM /Online /Cleanup-image /Restorehealth
6. Wait until the command process is finished.
7. Repeat the previous two steps, but this time, enter the following command and press Enter: SFC /scannow
   
8. Wait until the command process is finished.

Run the DISM troubleshooter

1. To do that, click the Type here to search button in Cortana’s search box.
2. Input dism in the search box.
3. Click Command prompt to open the window in the snapshot directly below.
   
4. Then input the dism /online /cleanup-image /restorehealth command, and press the Enter key.
5. Thereafter, input the dism /online /cleanup-image /fix-broken-images and dism /online /cleanup-image /restorehealth commands.
6. Press the Enter key after inputting each command.
   

Use the System File Checker

1. Press Windows Key + S and type cmd.
2. Choose Run as administrator under Command prompt.
3. Type the following line and press Enter:sfc /scannow
   
4. Wait for the scan to complete.

Turn off BitLocker

1. Press Windows Key + S and enter BitLocker. Select BitLocker Drive Encryption from the menu.
2. Go to the Settings tab and locate Require additional authentication. Make sure that Require additional authentication is disabled.
3. After doing that, press Apply and restart your computer.
   

Turn off Fast Startup

1. Press Windows Key + S and enter power options. Select Power & sleep from the menu.
2. Now click Additional power settings.
3. In the left pane, click on Choose what the power button does. In the right pane, select Change settings that are currently unavailable.
4. Now scroll down to Turn Off fast startup (recommended). Select it, click on Save changes, and restart your PC.
   

Disable Fast Startup in BIOS

1. Go to Start > type BIOS > open the first search result
2. Go to the Power tab > select “Save Changes and Exit”
3. Turn your PC off
   
4. Restart your PC

Change your Windows Update settings

1. Press Windows + I to open Settings, and select Update & Security.
2. Click the Windows Update option.
3. Click the Advanced options button.
   
4. Select the option labeled “Give access to this PC”.
5. Now, select Everyone from the “Allow users to select who they want to share with” drop-down menu.
6. Restart the PC.
   

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Disable the Windows Update service

1. Right-click on the Start menu and select Settings.
2. Select the Update & Security option.
3. In the right pane, expand the Windows Update section.
4. Click on the Advanced options.
5. Switch OFF the “Check for updates but let me choose whether to download and install them” option.