net stop wuauserv (If it is not enabled, or the service is disabled, it cannot be updated. You need to enable automatic updates.)
reg delete HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdateRestart the Windows Update service and update again
net start wuauserv
> Windows Filesystem
> Internet access
> Windows Update service
> File corruption
> Misconfiguration
> Adware
> Virus and Malware
Solution Two 1. Delete the temporary files of Windows Update1. Stop the "Windows Update" service. 2. Delete all files and directories in this directory: %windir%\SoftwareDistribution\DataStore3. Start the "Windows Update" service. After that, check again Online updates. "Check online updates from Microsoft Update".
##2. Repair damaged system files
"UseWUServer"=0
Check for updates again.
##5. Run Windows Update. Troubleshooter tool to repair
## 6. Turn off the firewall and other related anti-virus software## 7. Turn off the Widows Update service
#. ##Then, OpenFile Explorerand navigate toC:\Windows\SoftwareDistribution. Then, delete all contents under this directory.Later start the WInodws Update service and check for updates again Error code 8024401C Usually. Related to Windows Update, it means that a problem was encountered when trying to download or install updates. What I encountered was that the update failed on the Windows 2016 server, restarted the Windows Update service, and then installed it online again. Update successful.1. Check network connection: Make sure your computer is connected to a stable Internet connection to ensure network connection. Normal.
2. Check the firewall and security software: Firewall or security software may prevent Windows Update from functioning properly. Temporarily disable the firewall and security software and try running Windows Update again.
3. Clear update cache: Sometimes, some corrupt files in the update cache may cause error code 8024401C. You can try clearing the update cache to resolve the issue. Press the Win + R keys, enter "services.msc" in the run box, and then find the "Windows Update" service. Right-click the service and select "Stop". Then, go to the C:\Windows\SoftwareDistribution folder and delete everything in the folder. After restarting your computer, run Windows Update again.
4. Reset Windows Update components: If clearing the update cache does not solve the problem, you can try resetting Windows Update components. Press Win + X keys and select "Command Prompt (Admin)". In the command prompt window, run the following commands:
- net stop wuauserv
- net stop cryptSvc
- net stop bits
- net stop msiserver
- ren C:\Windows\SoftwareDistribution SoftwareDistribution.old
- ren C:\Windows\System32\catroot2 catroot2.old
- net start wuauserv
- net start cryptSvc
- net start bits
- net start msiserver
5. Run the Windows Update troubleshooting tool: Windows provides a troubleshooting tool , can automatically detect and fix Windows Update-related issues. You can download and run the tool from the official Windows website to see if it resolves error code 8024401C.
For the convenience of fans on this site, we share a bat script and save it as a bat file
REM 解决系统更新错误pausenet stop "Windows Update"rd /s/q "C:\Windows\SoftwareDistribution\DataStore"rd /s/q "C:\Windows\SoftwareDistribution\Download"net start "Windows Update"pause
An error "0x8024401c" appears when updating Windows on the computer.
There may be an error in the update program.
Please back up important data in advance and delete downloaded updates. The specific steps are as follows:
Enter Control Panel in the taskbar search box and open it. Click Control Panel>Uninstall a Program> to view installed updates.
Find the recently installed update and double-click to uninstall it.
If the above method still does not solve your problem, please back up your data in advance and record your Office activation account and perform F10 to restore the computer to factory settings. If it does not work, please bring your device and relevant credentials to the Huawei Customer Service Center for testing
If the above methods still cannot solve the problem, we recommend that you seek further assistance from the Microsoft support team.
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