Hi,
After reading your state, there are many reasons could lead to the KB2919355 installation failed and the error code 80070002, such as update components, update version order
and else reason. The error code 80070002 means some files in Windows Update missing.
First of all, please note an important thing, this KB
must be installed in the following order: clearcompressionflag.exe, KB2919355, KB2932046, KB2959977, KB2937592, KB2938439, and KB2934018, please check the installing
order in your PC.
http://www.microsoft.com/en-us/download/details.aspx?id=42335
In addition to that, I suggest you can first download the Windows Update Troubleshooter to troubleshoot it if you havent download it.
https://support.microsoft.com/en-us/kb/910336
If it doesnt help, we suggest you can reset the Windows Update components.
https://support.microsoft.com/en-us/kb/971058
Also, you can use DISM command to repair the issue.
https://support.microsoft.com/en-us/kb/947821
Wish you will troubleshoot the problem smoothly.
<u5:p> </u5:p>
Best Regards
Simon