All you have to do is terminate the running processes and try again. If you already started Minecraft but the launcher got stuck, it might not be able to open again.
The Minecraft process is already running.Here is a list of some possible errors and why they might happen on your PC or laptop: There are many reasons why Minecraft may not be launching on Windows. Why is Minecraft not opening? Possible causes Watch: Playing Minecraft on Windows XP in 2023?!.Delete the roaming Minecraft folder (Reinstall Minecraft)
End all Minecraft processes in the background
NetQueue: try mv ~/.minecraft ~/.minecraft-bak and relaunch the launcher, if nothing happens definitely report to Mojang.Minecraft is a popular video game for all groups and ages, but sometimes players can experience issues when trying to launch the game. NetQueue: Waiting for worker thread to finish. Checking if we can close the application. Reading preferences on path: /home/gaku/.minecraft/launcher_profiles.json Constructing launcher controller with workDir.