Remove Update Manually
1. Click on the Start button and in the search box, type Command Prompt
2. When you see Command Prompt on the list, right-click on it and select Run as administrator
3. When command prompt opens, copy and paste the following command into it, press enter
wusa /uninstall /KB:4012215
4. If there is an error or you get the message that the update is not installed, do a FRST search for KB4012215 and enclose SearchReg.txt.