Win8.1update error code 80073712 solution

Win8.1update error code 80073712 Solution:
Many users report that when installing Win8.1 Update, there will be such a message: "Unable to complete the upgrade, undo the change", then the error code 80073712 appears, there is no Provide any details to inform users how they can fix this problem.

A user of the Microsoft Community Forum wrote that the installation of KB2919355 was completed 74% soon, and it was very slow at 89%. Eventually, an error message "Unable to complete the upgrade, undo the change" ;, there is no other detailed information. I wasted a lot of attempts yesterday, and using any of the methods mentioned in the previous post did not help. I installed Win8.1 on a 240GB SSD with 50GB of free space and data stored on a separate drive.
Although there are several solutions available at present, these methods are not very effective. Microsoft has not provided a solution to the problem, and foreign media has contacted Microsoft on this matter.