Hi Thales,
I understand it’s frustrating when things do not work as expected.
I appreciate that you have provided the screenshot of the screen.
I have a few questions for you:
- What is the make and model of the computer?
- Did you make any changes to the computer prior to the issue?
This issue could occur because of any recent changes on your computer.
I suggest you refer the article below and follow the troubleshooting steps to boot your computer normally.
https://support.microsoft.com/kb/2674065?wa=wsignin1.0
Reply to us with the results, so that we can assist you further to find out what caused the issue.