If the error disappears when your Windows Firewall is off, you need to create an exception for Minecraft launcher and game in your firewall. Fix #10: Repair the Minecraft launcher.

In this troubleshooting article, we’ll show you the effective ways on how to fix your Minecraft launcher if it refuses run for whatever reason. How to fix Minecraft launcher won’t load issue?

Want to know how to fix the 'Minecraft for Windows Incompatible With Launcher' error? Here is everything you need to know.

Game has crashed, Error Code (0x1) in Minecraft Launcher occurs if your Windows is incompatible with Launcher version. Download new launcher!

If you experience such an issue in the Minecraft Java edition, here are the solutions that will help you. Why does Minecraft Launcher say Failed to create profile?

Minecraft players struggle to play Java Edition with the new Launcher causing log-in difficulties and long download times.

After this, you need to start the Launcher again and this should fix the bug. Bugs in Minecraft Bedrock edition are common. It is bizarre seeing that Java Edition is now getting bugs.

Somewhat confusingly, there was an old launcher called 'Minecraft Unified Launcher', which was specifically for Windows 7 and 8 and only launched Java Edition and Minecraft Dungeons.