Some Windows 11 users report that they have encountered the 0x8000ffff error code after upgrading to the latest version.
Why does the Windows 11 update error code 0x8000ffff appear?
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How to fix the error code 0x8000ffff?

The following lists 9 fixes.
Now, give a shot to run it to test whether any issues can be detected and fixed.
Step 1:PressWindows + I together to open theSettingswindow.

Step 2:SelectSystemand clickTroubleshootfrom the right menu.
Step 3:ClickOther troubleshootersto expand all troubleshooters, and then clickRunnext to theWindows Updatesection.
Step 4:Now, this troubleshooter will scan issues associated with the Windows Update components.

If any fixes are identified, clickApply this fixand follow the on-screen instructions to complete the repair.
Heres how to do that.
Step 1:Open theRunwindow by pressingWindows + Rkeys together.

Step 2:InputWSReset.exein theRunwindow and clickOK.
Step 3:Then a command prompt window will appear.
After a few seconds, Windows Store will open.

Step 2:jot down thesfc /scannowcommand.
This process may take you much time to scan, just wait patiently.
Once done, reboot your PC and find out if the error code 0x8000ffff gets fixed.

Fix 4: Disable .NET Framework
Step 1:PressWindowsandRto open theRundialogue.
Step 2:In thePrograms and Featuresinterface, click theTurn Windows features on or offlink.
Step 3:Uncheck all the.NET Frameworkentries and clickOK.

Step 4:Once done, restart the computer to make the changes take effect.
Then, have a go at run Windows updates again.
Step 2:The list of services will be displayed.
Right-click theCryptographic Servicesand selectProperties.
Step 3:UnderStartup throw in, selectAutomaticand click theStartbutton to enable it.
Besides, its recommended to turn off your Windows Security firewall.
Here is how to do that:
Step 1:TypeWindows Securityin theSearchbox and clickOpen.
Step 2:Click theVirus & threat protectiontab and click theManage settingsbutton.
Step 3:Turn off theReal-time protectiontoggle.
ClickYeson the UAC(User Account Control)prompt that pops up.
Here is how to do that:
Step 1:Press theWindows+Rkeys to open theRundialogue box.
Then, typeinetcpl.cpland click theOKbutton.
Step 2:Click theConnectionstab and click theLAN settingsbutton.
Then, click theOKbutton.
It is a Microsoft website that contains all the Windows updates released so far.
Step 1:Go to theMicrosoft Catalogon your net net app.
Search for the update in which you are getting this error.
Step 2:Select theDownloadlink that corresponds to your version of Windows 11.
Step 3:After downloading the package, double-hit the exe file to install it.
So when getting error code 0x8000ffff in Windows 11, you should choose this method.
Step 1:Go to theWindows 11 Downloadpage.
Step 3:Then, you should probably choose a language by clicking the drop-down menu.
After choosing it, click theDownloadbutton.
Step 4:Next, click the64-bit Downloadbutton to start the downloading process.
Step 5:When the file has been downloaded, right-click it and selectMountfrom the context menu.
Step 6:Choose the mounted drive and then double-click theSetup fileoption to begin the installation.
Step 7:Then, click theNot right nowbutton.
Navigate toNext>Accept.
During the process, select all the items you want to keep.
Step 8:Finally, click theInstallbutton and wait for the process to complete.
Besides, PC backup and recovery can guarantee minimized system downtime.
Also, you could choose to back up your data regularly to keep files safe.
To do this work,MiniTool ShadowMakeris a good assistant that can be compatible with Windows 11/10/8/8.1/7.
Besides, you’re able to use it to clone your hard drive and sync files.
This backup software offers a Trial Edition that allows a 30-day free trial for all backup features.
If you want to use it permanently, get itsPro Edition.
Now it’s possible for you to download and try MiniTool ShadowMaker to back up your system.
Step 2:Go to theBackupinterface, and you could see system partitions are selected as the backup source.
Step 3:You only need to clickDESTINATIONto choose a path to save the system image file.
Step 4:ClickBack Up Nowto execute the backup task at once.
If the 0x8000ffff error code occurs, try these methods.
you should create a system image with professional backup software to better safeguard your system.