Hi there,[br]
It looks like you're having problems booting up your PC after installing an update. I would like to know if you have tried to force restart your computer, and see if the issue persists. Have you tried to start your computer in '''safe mode'''? You can also check this [https://support.microsoft.com/en-us/help/17076/windows-8-startup-settings-safe-mode|'''article'''] on how to get to Windows Startup Settings which allows you to start Windows in a different advanced troubleshooting modes to help you locate and resolve problems on your computer.
As there’s problem in booting from your hard drive, you may check out this [https://www.partitionwizard.com/partitionmagic/system-cannot-boot-what-to-do.html|article] to see if it is helpful.
Hope this info helps you. Thanks!