Command+Shift+5 = Stuck - Restart required every time
Solution
Solution => Are you sure you are taking a screenshot (options to the left) not a screen recording (options in the middle)?
MacBook Pro 13″, macOS 15.1
Also:
To end screen recording you can click the stop icon in the menu bar. You can also press Command+Control+Escape (⌘⌃esc) to end screen recording on Mac, or hit Escape to cancel your screen recording before it starts