So I have a .jar file that I'm just unable to open and idk why. Im currently running macOS Monterey version 12.0.1 and have java 8 update 341 installed. https://cosmicclient.com <-- here is a link to the file I am trying to open. When I open the file It opens a pre menu and when I click what I want to do it just crashes and nothing happens then I am unable to open the java file until I restart my mac. If anyone... Source: almost 2 years ago

Could I suggest trying a different launcher such as PolyMC? You can get this on deck in Linux linkand sign into your microsoft account to access Java. This version also has the benefit of you being able to get modpacks. Source: about 1 year ago

Handles it very easily with the right launcher. Check out https://polymc.org/. Source: over 1 year ago

To quote PolyMc's website, PolyMc is "an Open Source Minecraft launcher with the ability to manage multiple instances, accounts and mods. Focused on user freedom and free redistributability.". - Source: dev.to / over 1 year ago

Rundown of the situation: The keyholder of the github repo of Polymc has gone rogue, sabotaging the project's github repo and discord server by removing everyone else's permissions after stating his strong, negative opinions towards gay and trans people, causing a lot of understandable backlash, with the majority of the team moving onto a new project, PrismLauncher Because of the fact that this dev has gone... Source: over 1 year ago

I use the PolyMC launcher, it allows you to install modloaders, mods and modpacks straight from the launcher without needing to open your browser. It also will automatically display available mod versions that are available for your modloader and game version and is very convenient. Source: over 1 year ago