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- The 0x800b0101 update or install error prevents users from updating the OS.
- The error appears when installing an update from the standalone package downloaded from the Update Catalog.
- To fix things, check for corrupt system files, run the dedicated troubleshooter, and set the correct time, amongst other solutions.
Updates are critical to the effective functioning of the PC, be it for Windows or the installed apps. An up-to-date computer delivers faster performance and is better protected against threats. But many users reported getting the 0x800b0101 update error.
The error code affects the PC’s ability to install Windows updates via Settings, using the MSU standalone installer, and when downloading apps from Microsoft Store. So, let’s find out how you can get things up and running in these cases.
What is failed to install 0x800b0101?
The error is encountered when you try to install a missing update from the standalone installer downloaded from Microsoft Update Catalog. Normally, we head to the catalog when unable to update the OS normally. But, when it starts to throw an error, users are left in a pickle.
Here are a few reasons your might be getting the error:
- Issues with certificates: One of the reasons users get the 0x800b0101 error is when a required certificate is not within its validity period. This is usually due to an incorrect time set on the PC.
- Corrupt update components: When the Windows Update Components are corrupt, users are bound to run into issues updating the OS.
- Corrupt system files: Even corrupt system files can trigger a wide range of issues, including reduced functionality, app crashes, and update errors.
How do I fix Windows Update error 0x800b0101?
Before we move ahead, try these quick tips:
- Restart the computer and check for updates.
- Connect to a different network, preferably a wired one, and verify whether the 0x800b0101 error disappears.
If these don’t work, head to the fixes listed next.
1. Run the Windows Update troubleshooter
- Press Windows + I to open Settings, and then click on Troubleshoot on the right in the System tab.
- Click on Other troubleshooters.
- Locate Windows Update and click the Run button next to it.
- Now, wait for the troubleshooter to identify and eliminate the problem automatically.
When getting the 0x800b0101 error, your primary approach should be to run the dedicated Windows Update troubleshooter. Once done, try installing the same update via the built-in method, and if it still fails, use the update catalog.
2. Correct the PC time
- Press Windows + I to launch Settings, select Time & language from the navigation pane, and click on Date & time on the right.
- Now, you can either enable the Set time automatically setting, or click on the Change button to manually configure it.
- Choose the present date and time from the various dropdown menus, and click on Change to confirm.
3. Run the DISM and SFC scan
- Press Windows + R to open Run, type cmd, and then hit Ctrl + Shift + Enter.
- Click Yes in the UAC prompt.
- Paste the following three commands one at a time, and press Enter after each:
DISM /Online /Cleanup-Image /CheckHealth
DISM /Online /Cleanup-Image /ScanHealth
DISM /Online /Cleanup-Image /RestoreHealth
- Once done, run this command for the SFC scan:
If it’s the corrupt system files to blame for the error, we recommend you run the DISM tool and the SFC (System File Checker) scan to repair/replace any corrupt system files, as well as fix other issues with the Windows image.
Otherwise, you may also opt for a proficient system repair technology that can fully scan your Windows PC to detect malfunctioned files or programs, broken registry, and many more issues.
Fortect is therefore the suitable choice when you’re dealing with these types of errors that prevent your OS from running properly.
4. Perform an in-place upgrade
- Go to Microsoft’s dedicated Windows 11 page, select the desired ISO edition, and click Download.
- Choose the OS language and click Confirm.
- Now, click on the provided link to start the download.
- Double-click on the ISO file to view its contents and click Open in the prompt that appears.
- Run the setup.exe file.
- Click Next to continue.
- Now, click Accept to agree to the license terms.
- Finally, make sure the setup lists, Keep personal files and apps, and click on Install to proceed.
That’s it! Wait for the in-place upgrade to complete (may take a few hours). Once done, things should be up and running like before, and you shouldn’t get the 0x800b0101 error. An in-place upgrade will fix any issues with the OS without affecting the installed apps or stored files.
Also, before you leave, check some quick tips to boost the PC’s performance in no time.
Tell us which fix worked for you in the comments section below.