Win8.1 update to Win10 9926 prompt error 800070005 how to do?

I believe that many recent Win8.1 system users have received the update push of win10 9926, we can update to the latest win10 9926 preview version through Windows updata, but there is an error 8070005 in the update, what is the problem? How to Solution?
The Update function of Win8.1 system is very powerful. After receiving the update push of Win10 9926, users can update it through Windows updata. However, some users have an error during the update, prompting 800070005. What is the problem? How to solve it?

I found out that the error code is caused by insufficient permissions. Why is the permission insufficient? This is because the third-party anti-virus is installed in the win8.1 system. Software, security tools and other applications, these software will affect the win8.1 system upgrade to Win10 9926 preview.
Workaround:
Uninstall all security software, anti-virus software, and then try to upgrade again.
Win8.1 update to Win10 9926 through Windows updata error, the original security and anti-virus software in the system does not agree, it may be that these software defensive national, vigilant over-the-counter, then first exclude security software And anti-virus software, after the update is successful, then install security and anti-virus software.