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Bad upgrade due to Bit9
Hello,
I upgraded from windows 8.1 my Yoga Pro 3 Laptop, but I previously had installed Bit9 security software.
During the process, a lot of important DLLs were left out and I now have trouble executing Windows Installer, not being able to install any new software.
It also affected my Office365 installation, but since I can't execute WI, I can't fix it.
I've tried to find a WI to download, but haven't found anything yet.
What else do you all think I can do?