Let's take a different approach. Please do the following.
Remove Update Manually
1.
Right-click on the
Start button and select
Command Prompt (Admin)
2. When command prompt opens,
Copy (Ctrl+C) and
Paste (Right-click > Paste) the following command into it, then press
Enter
wusa /uninstall /KB:3000850
3. Let me know if it says it was successful or if there are any errors.