DaemonUmbra

What launcher are you using? Please provide a screenshot

Please provide debug.log using one of the paste sites in my signature

1.7 is no longer supported on this forum. Please update to a modern version of Minecraft to receive support.

Please don't post in old threads, if you have an issue please make your own thread with debug.log

"launcher" is NOT the installer, the one that says "installer" is the installer

Did you try the same steps? Edit: So you made your own thread AND posted here?

That looks like a Twitch CDN issue, the only thing I can recommend is trying the steps in my signature to bypass Twitch. Beyond that you're using 1.12.2 which we don't support anymore.

1.12 is no longer supported on this forum. Please update to a modern version of Minecraft to receive support.

That's not debug.log, but at least it gives an idea of what's going on. Have you made any config changes? If not then delete your config folder and let the game generate the defaults.

What launcher are you using? Please provide a screenshot

Provide your debug.log, not the mods

This could be a case of you had already installed 1.14 in the past and had the necessary files already downloaded, has anything changed?

Does the fact you're using the Mojang launcher mean you bought the game and stopped pirating it?

1.12 is no longer supported on this forum. Please update to a modern version of Minecraft to receive support.

1.12 is no longer supported on this forum. Please update to a modern version of Minecraft to receive support.

1.7 is no longer supported on this forum. Please update to a modern version of Minecraft to receive support.

Just to reiterate... CurseForge is not MinecraftForge

1.7 is no longer supported on this forum. Please update to a modern version of Minecraft to receive support.

1.12 is no longer supported on this forum. Please update to a modern version of Minecraft to receive support.

1.12 is no longer supported on this forum. Please update to a modern version of Minecraft to receive support.

1.12 is no longer supported on this forum. Please update to a modern version of Minecraft to receive support.

https://github.com/MinecraftForge/MinecraftForge/pull/6481

https://github.com/MinecraftForge/MinecraftForge/pull/6481

https://github.com/MinecraftForge/MinecraftForge/pull/6481