Today, we are talking about another error code 0x8050800c.
If not, just go on.
To do the task, you’ve got the option to try thefree PC backup program MiniTool ShadowMaker.

Then, go toUpdate & Security.
Step 2: Go toWindows Security>Open Windows Security.
Step 3: ClickVirus & threat protection.

Then, click theWindows Defender Antivirus optionpart.
Finally, turn off the periodic scanning.
Fix 2: modernize your Windows System
Step 1: Press theWindows + Ikeys together to openSettings.
Step 2: Go toUpdates & Security.
Then Windows will search for available updates.
Just follow the on-screen instructions to finish the process.
So if you have installed one on your rig, wise to uninstall it to fix the error.
Fix 4: Perform a Clean Boot
Step 1:Typemsconfigin theRunbox, and clickOK.
Step 2:Then go to theServicestab.
Check theHide All Microsoft Servicesbox.
Step 3:Now, click theDisable allbutton, and clickApplyto save the change.
Step 4: Go to theStartuptab and clickOpen Task Manager.
Step 5: In theTask Managertab, opt for first enabled tool and clickDisable.
Here it’s crucial that you disable all enabled applications one by one.
After disabling all programs, closeTask Managerand clickOK.
Fix 5: Run SFC and DISM
Step 1: Launch Command Prompt as an administrator.
Step 2: Typesfc /scannowand pressEnterafter the message appears.
This process might take some time.
Step 3: Typedism.exe /Online /Cleanup-image /Restorehealthand pressEnter.
Step 4:At last, typeExitto kill the Command Prompt window.
Final Words
When you see the Windows Defender error code 0x8050800c message, do not panic.
you could try the solutions one by one that I mentioned in this post.
I hope your gear can keep secure and safe.
To better protect your PC, its highly recommended to back up your PC with MiniTool ShadowMaker.