TheWindows Update error 0x80073701is the result of KB4524570 update and 1909 upgrade.
IfWindows Updaterelated services are corrupt then you get this error.
To fix this, you oughta stop theseservicesand rename few system folders.
The simple solution to mitigate this error is to upgrade your Windows 10 computer with the following Microsoft download.
It indicates that something related to WinSxS folder is missing or corrupt in previous versions of Windows 10.
The above download should fix it automatically, without applying anytweaking commands.
This can go into a loop.
Your precious bandwidth is lost and have to wait for the download to start again.
Instead of these troubles, you might download the update as an ISO and upgrade on your desired system.
In case the Windows Update assistant did not work for you, try the troubleshooter in Windows 10.
Even after fixing the 0x80073701 error code, your setup can restart.
This can happen for hardware failures, web connection adapter problems and driver issues.
The earlier updates like kb4520390 and kb4515384 can be installed without much fuss.
But to plant the 1909 version, you need the KB4524570 update.
In this post, we are going to see 5 more methods toresolve error code 0x80073701.
Then copy and paste the following commands below and press Enter.
This solution can save time to download the above mentioned installer and solve the error offline.
Fix #2 Check for Registry Errors
Open command prompt as admin in Windows 10.
Then jot down the following commands.
It will take up sometime for the cleanup process to complete.
Then fire off the following command
This should clear any registry errors causing the 0x80073701 error code.
But this solution is less likely to be the cause for this problem.
If the above two methods fail, then it’s possible for you to try this fix.
Also many old versions of Windows 10 have their support period ended.
So its better to upgrade to 1903 or 1909 version.
This is will take less time and resources, then the Windows Update tool.
Also you’re able to revamp your system anytime offline using these catalog updates.
This can also fix the error code 0x80073701.
you could also do a repair install of your PC using Media creation tool of Windows 10.
Then select Upgrade this PC option.