kb4012212 What to do if the update fails

Solution: 1. Download the update file again; 2. Check the system time and date settings; 3. Turn off the firewall and security software; 4. Clean up temporary files and software distribution folders; 5. Perform system file check; 6. Reset Windows Update components; 7. Use Windows Update troubleshooting tools; 8. Install updates manually. For more information about kb4012212 update failure, you can read the article below this topic.