Win8.1 installation failed error 0x80004005 how to solve

Workaround 1:
1, click “Start”,“Run”, type cmd in the Open ” box, and then click “OK”.
2. At the command prompt, type the following commands. Press Enter after each line:
regsvr32 Softpub.dll
regsvr32 Wintrust.dll
regsvr32 Initpki.dll
3, click “OK”.
4, restart the computer.
This situation may be caused by improper configuration of dynamic link library files, firewalls that do not allow HTTPS (SSL) connections between computers and the Internet, etc. These two problems can be fixed by the above steps, which may be solved problem.
Solution 2:
In addition, if the direct upgrade is not possible, we still recommend that you download the image file for new installation, which can also solve such problems.