Possible workaround includes a few simple steps that could help you install 8.1 Update
As we reported to you this week, some users cannot install Windows 8.1 Update due to a number of issues, with some uncanny error codes provided during the deployment process.80070020, 80073712, and 0x800f081f are the errors popping up when Windows 8.1 Update fails to install, according to a number of users who have confirmed this on Microsoft’s support forums, but the software giant is yet to provide a fix for them.
It turns out, however, that a workaround actually exists, and Microsoft forum user Andrew B has published a few simple steps that need to be followed in order to successfully deploy Windows 8.1 Update.
According to his post, when Windows 8.1 Update first fails to install, the original patch does not clean all leftovers, so all your attempts to manually deploy the new release will obviously fail as well. Andrew B recommends users to follow the next steps and then try to install Windows 8.1 Update manually.
1. Launch Command Prompt with administrator privileges
2. Run the following command:
This solution might not work for everyone affected by the aforementioned errors, but it’s still worth a try if you can’t deploy Windows 8.1 Update. As usual, let us know in the comments box below if it works or not.