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1.12.2 Forge not showing up in launcher

tuffley42

By tuffley42
in Support & Bug Reports

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tuffley42 Tree Puncher

tuffley42

Posted
Posted

Yesterday I tried to install forge 1.12.2 to use some mods, but when I opened up my launcher (I'm using the official Minecraft launcher) It wasn't showing up. I had installed a version of 1.14.3 forge previously, and it had shown up both automatically in the launcher and within the version drop down menu (1.12.2 wasn't showing up in either) I've tried both the installer and windows installer versions of 1.12.2 - 14.23.5.2768, 1.12.2 - 14.23.5.2838 and 1.12.2 - 14.23.0.2486 (all from the official forge website). The 1.12.2 forge versions are showing up within the versions folder, but each 1.12.2 forge version i have installed does not contain the executable jar file (which every other version (including 1.14.3 forge) contains) I have looked through other posts within this forum but none of them have been helpful (though I have seen a few people with similar issues). I also have the latest version of java installed, and I have played basic 1.12.2 previously. If you need anymore information please let me know, I will also attach screenshots to try to help. 

within 1.12.2 forge folder.PNG

Launcher.PNG

versions folder.PNG

Versions within launcher.PNG

DaemonUmbra Reality Controller

DaemonUmbra

Posted
Posted

For whatever reason 1.12.2 versions of Forge get sorted to the bottom of the list.

  • Thanks 1

This is my Forum Signature, I am currently attempting to transform it into a small guide for fixing easier issues using spoiler blocks to keep things tidy.

 

As the most common issue I feel I should put this outside the main bulk:

The only official source for Forge is https://files.minecraftforge.net, and the only site I trust for getting mods is CurseForge.

If you use any site other than these, please take a look at the StopModReposts project and install their browser extension, I would also advise running a virus scan.

 

For players asking for assistance with Forge please expand the spoiler below and read the appropriate section(s) in its/their entirety.

  Reveal hidden contents

 

  • 2 weeks later...
DaemonUmbra Reality Controller

DaemonUmbra

Posted
Posted

You do not need to delete other versions of Forge.

This is my Forum Signature, I am currently attempting to transform it into a small guide for fixing easier issues using spoiler blocks to keep things tidy.

 

As the most common issue I feel I should put this outside the main bulk:

The only official source for Forge is https://files.minecraftforge.net, and the only site I trust for getting mods is CurseForge.

If you use any site other than these, please take a look at the StopModReposts project and install their browser extension, I would also advise running a virus scan.

 

For players asking for assistance with Forge please expand the spoiler below and read the appropriate section(s) in its/their entirety.

  Reveal hidden contents

 

  • 1 month later...
  • 2 weeks later...
Malhabit Newbie

Malhabit

Posted
Posted

I encountered this problem today with Forge versions 1.12.2 and 1.12.   Including a not so great workaround below for the community.

 

Use Case: 

As a parent I am attempting to install a mod (Tektopia) for my son and need to use Forge 1.12.2 as required by the Tektopia install guide.

Minecraft Java Edition - Launcher 2.1.5964 is being used as the client 

 

Problem  Description:  

  1. Downloaded Forge 1.12.2 and install per the installation guide (which really is just a copy of the standard installation instructions for the Forge client). 
  2. Install Forge 1.12.2 using the client option and making sure to verify that the installation path is correct.  Note that successful installation is indicated by the installer
  3. After installing the 1.12.2 Forge client I start the Minecraft Launcher . 
  4. I then look for Forge 1.12.2 listing in the Installations list so I can start the game using the desired mod
  • Note: The expected installation is not showing up at all in the launcher's list. 
  •  In opening launcher_profiles.json from my .minecraft folder I notice that there is an entry for the Forge 1.12.2 installation, however unlike the the other versions of Forge I have listed in the file, this version was given a tokenized name  for it's JSON "profiles" entry as opposed to "Forge" or "forge" as is used by my other profiles.  I referenced 2 other systems I own with Minecraft mods installed and noticed all of the other profile names are either "Forge" or "forge".  These are the defaults given by the Forge installer and not touched by me.

Workaround:

This is not a great workaround and is destructive, but should provide a clue to a knowledgeable developer or Minecraft enthusiast as to what the root cause is.  This is as far as I was willing to take my investigations.

 

Warning: the following "workaround" will essentially cause Minecraft to write a new version of the file which will remove all previous profile listings and require you to login again with valid credentials.  

 

  1. Either 'touch' launcher_profiles.json by making saving it or delete the file altogether.   If you touch the file by making a minor edit, Minecraft will wipe the file and write a new one without your previous profiles. 
  2. Start the Minecraft launcher.  You will be prompted for your login credentials
  3. Once the launcher has started the 1.12.2 (or 1.12) forge profile will be in the list of installation profiles.  In looking at launcher_profiles.json the profile name will now appear as "forge" instead of the tokenized name that was noticed when the 1.12.2 installer was used.
  • 3 months later...
Fel1x Newbie

Fel1x

Posted
Posted

I had the same issue. What helped for me was that I had a different minecraft tab open. After I had closed it I installed it again and it showed up.

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