But sometimes Windows won’t update and instead throws an error.
This article explains what to do when you get the 0x800705b4 error in Windows Update.
After completing each potential fix, reboot your system andcheck for Windows updatesagain.
Run Windows Update Troubleshooter.
A troubleshooter is a great way to figure out what’s wrong with your gear.
Even if a troubleshooter doesn’t fix the 0x800705b4 error, it might point you in the right direction.
Run an antivirus scan.
Windows errors can sometimes come from malicious software, which an antivirus program can find and delete.
It might be that a particular component of the Windows Update process broke down.
To do this,open an elevated Command Promptand run these commands:
These are three separate commands.
PressEnterafter each one, and wait for that command to finish before executing the next one.
Disable your antivirus software.
It’s not uncommon for virus protection tools to interfere with other things on a computer.
It’s easy todisable Norton AntivirusorMcAfee; other software works similarly.
This should only be a temporary solution.
Remember to switch the AV program back on after testing whether this was the reason for the error.
Edit the Windows Update controls.
You should try two things:
Run SFC /Scannow.
If some system files need to be repaired, thesfc commandcan help.
Run a DISM scan.
Reboot to Safe Mode with Networkingand check for updates there.
It’s useful for software-related errors because it reinstalls Windows.
What Causes the 0x800705b4 Error?
The 0x800705b4 error typically appears when the Windows Update service attempts to update the OS.
There are several causes for it, namely problems with the service andWindows Defendergetting in the way.
Narrowing down the root of an 0x800705b4 error involves trying various fixes.
