Your device is missing important security and quality fixes error
Here are few methods that can be helpful and any of them can be your solution.
1. Use Windows Settings Troubleshoot tool
Open Windows Settings and select Update & Security. Now go to the left pane and select Troubleshoot. Once the Windows Update troubleshooter opens, click “Run the troubleshooter” and wait for the process to complete. After the system restarts, try updating your computer again.
2. Use Microsoft Update website
Again, go to the Settings section and click System.
In the new window, go to the left sidebar, scroll down and click About. Here, open the section “Device Specifications” and you will see “System Type”.
Now go to the official Microsoft Update website and download the latest SSU that matches your version.
After that, restart your computer, restart Windows Update and start downloading updates.
3. Repair corrupted files
First, run Command Prompt: In the Windows search box, type cmd, right-click the desired result and select “Run as administrator”.
Next, in the Command Prompt window, enter DISM.exe / Online / Cleanup-image / Restorehealth, press Enter and wait a few minutes for the process to complete. Now type sfc / scannow and press Enter. After the process is complete, close Command Prompt and check if Windows Update is working.
4. Reset services
You can manually reset the update service as follows:
Open Command Prompt and select “Run as administrator”.
Next, enter the following commands one by one:
clean stop wuauserv, then press the Enter.
clean stop bits net stop msiserver, then press Enter.
Ren C: WindowsSoftwareDistribution SoftwareDistribution.old, then press Enter.
Ren C: WindowsSystem32catroot2 Catroot2.old, then press Enter.
clean start wuauserv, then press Enter.
clean start cryptSvc, then press Enter.
clean start bits, then press Enter.
clean start msiserver, then press Enter.
Now reboot and check if Windows Update is working properly or not.
5. Rollback OS updates
Open Computer Settings and open Update & Security and in the right section, click “View update history”. Next, select Uninstall Updates and in the list that appears, click the latest update for Microsoft Windows. Now uninstall it and go back to Windows Update to check for updates. Both new and old updates should be installed as intended. You can also go to the official Microsoft Update Catalog website and search for the updates you are interested in; download and install them manually.
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