I used to switch between Direwolf20 pack and the Mindcrack pack, and when I saw Morvelaira using the FTB Ultimate pack on her stream and I decided to try it, so I deleted my FTB_Launcher.jar and re-downloaded it fresh from feed-the-beast.com. No pack has launcher correctly since then. I have installed my FTB in a non desktop folder, at ~/FTB/FTB_Pack, and usually launch it with 3 GB of ram, and THIS code in the Additional Java Parameters section of Advanced Options. I launch my FTB_Launcher.jar with THIS code in terminal. I then get THIS error code whenever I try to load the pack. Please help me in anyway you can, please give me and suggestions or advice you can on how to get FTB working again, and thanks for taking the time to read my post.
Mac All FTB Packs won't launch [Solved]
- Thread starter My name is X
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There are issues with the latest OS X and Java.... They are being looked into.
Try and removing the underscore in the install path.
Use the java parameters in the link in my sig.
Try and removing the underscore in the install path.
Use the java parameters in the link in my sig.
I already started using your parameters, saw you on other threads 
, and I removed the underscore but it still doesn't launch. I get this code in the console, and all the tabs grey out in the launcher and then i have to quit and restart to do anything with it again. I also tried updating my LWJGL with no success.
, and I removed the underscore but it still doesn't launch. I get this code in the console, and all the tabs grey out in the launcher and then i have to quit and restart to do anything with it again. I also tried updating my LWJGL with no success.Okay I deleted everything FTB related, and then re-installed everything and the Ultimate Pack worked for the first time.
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