He clicked it. The progress bar didn't move for ten minutes. Just as he was about to cancel, his monitor flickered. A dialogue box popped up in a font that looked like distorted pixels:
Sometimes "tokens" stored on your PC get corrupted. You can try clearing the Token Broker folder within your local app data to force a fresh login.
If you’ve seen a pop-up stating “Failed to download file,” “Error 437,” or “Unable to save download,” you are not alone. This error typically prevents the Minecraft Launcher from saving necessary game files to your computer.