Windows Update or Activation Error 0x800f0805 interferes with necessary updates or upgrades, even an upgrade from Windows Home to Pro.
The article below provides a complete guide on how this error should be handled so you can get your system up and running again.
What is Windows Update Error 0x800f0805?
Error code 0x800f0805 is generally seen in failed update attempts or activation with specific versions of Windows. It could be preventing users from upgrading the system or installing newer updates. Moreover, it might lead to some degradation in system performance and security.
Common Causes of Error 0x800f0805
Some of the common culprits of error 0x800f0805 are faulty registry entries, corrupt system file systems, disabling the Windows Update service, misconfigured system settings, or an unstable internet connection. Having identified the cause will help you apply the most effective fix.
Solutions to Fix Error 0x800f0805
If you’re wondering what to do about the Activation Error 0x800f0805 on Windows 10/11, we have you covered. Since there are a lot of factors that lead to this error, we have prepared a couple of solutions that can be applied to alleviate the situation. Depending on your scenario, some of these solutions might not work. Thus, we advise applying the solutions chronologically until you find one that’s suitable for your case.
Solution #1: Run Windows Update Troubleshooter
Start by running the Windows Update Troubleshooter to identify and fix problems related to update installation.
Solution #2: Download and Install System Updates Manually
To work around error 0x800f0805, you can download and install updates directly from the Microsoft Update Catalog:
- Open Settings using Windows + I and go to System > About to check if your system is 64-bit or 32-bit.
- Then, go to Update & Security to find and note the update code (e.g.,
KB4078407).
- Visit the Microsoft Update Catalog, enter the update code, and download the version matching your system build.
Double-click the downloaded .msu file to install, then restart your PC to apply changes.
Solution #3: Use SFC and DISM Commands
SFC and DISM can help fix system file issues. SFC scans for damaged or missing files and replaces them from local cache. DISM fetches replacements online.
To run SFC:
- Open Run with Windows + R, type
cmd, then press Ctrl + Shift+ Enter. - In Command Prompt, type
sfc /scannowand press Enter. Restart when it’s complete.
For DISM:
- Open Command Prompt as before, type
DISM.exe /Online /Cleanup-image /Restorehealth, and press Enter. - Ensure a stable internet connection and allow the scan to complete. Then restart.
Solution #4: Reset Windows Update Service
Incorrect Windows Update settings can cause error 0x800f0805. To fix this:
- Open Command Prompt as Administrator: press Windows + R, type
cmd, then press Ctrl + Shift + Enter. - In Command Prompt, enter each command and press Enter after each:
net stop bitsnet stop wuauservnet stop appidsvcnet stop cryptsvc
- Go to
C:\Windows\SoftwareDistributionand delete all files. - In Command Prompt, restart services with:
net start bitsnet start wuauservnet start appidsvcnet start cryptsvc
- Restart your computer.
Learn more and keep improving your PC:
How to Fix Windows Update Error 0x8007045b?
How to Fix Windows Update Error Code 0x8024402c
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“Restart to Repair Drive Errors” Keep Showing Up After Reboot in Windows 10/11
FAQs
What would error code 0x800f0805 be caused by?
This is probably because of corrupted system files, problems with the internet, or some configuration that has gone wrong.
Can I manually run an update when I get this error?
The problem gets sorted sometimes by downloading updates manually from Microsoft’s site.
Will a full system scan help resolve error 0x800f0805?
Scanning for malware will address the threats that could potentially be the cause of an update conflict.
If all else fails?
Finally, contact the support services of the said manufacturer because sometimes they have special steps for troubleshooting.
