Context: LaTeX is a typesetting system. When compiling a document, a lot of really in-depth debugging information is printed, which can be borderline incomprehensible to anyone but LaTeX experts. It can also be a visual hindrance when looking for important information like errors.
Hint: :q!
Sister communities:
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sudo in Windows.Please report posts and comments that break these rules!
Important: never execute code or follow advice that you don't understand or can't verify, especially here. The word of the day is credibility. This is a meme community -- even the most helpful comments might just be shitposts that can damage your system. Be aware, be smart, don't fork-bomb your computer.
As long as you let TeX do it's job, you usually don't get such issues. But there are many people who mistake TeX as a "Word for Scientists", and just make the same mistakes they make in Word because they do not grok TeX.