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Posted

I want to install Optifine with Tekkit Lite but when I put Optifine in the Modpack.jar and Minecraft.jar it just says that Tekkit Lite is corrupted and goes and downloads a new fresh jar. HELP MY GAME IS SO LAGGY!

Posted

Don't put it in the Minecraft.jar, just the modpack.jar.

Nope it still says

The minecraft installation was corrupted.

The minecraft installation has been cleaned.

Try to login again, if that fails, close and

restart the application

Posted

Newbie question: where is modpack.jar? e.e

go to start menu, run %appdata%, roaming, technic launcher, tekkitlite, bin, and you will see modpack.jar. Open it with an archive software (e.g 7 zip) put optifine in (remember to unzip it first)

Posted

go to start menu, run %appdata%, roaming, technic launcher, tekkitlite, bin, and you will see modpack.jar. Open it with an archive software (e.g 7 zip) put optifine in (remember to unzip it first)

Thanx :D

Posted

I'm on a Mac and I've tried just about everything I know. I try installing it in the unarchived "modpack" folder, compressing the folder and renaming it to "modpack.jar"; all mods become disabled and no Optifine shows up. Tried installing it to the unarchived "minecraft" folder; game won't even start. I'm a bit frustrated from wondering why this isn't working at all like it's supposed to. I have the latest version of Optifine. I've tried with 1.4.6 HD U A3 and HD U B2 with no result. I have the latest version of Tekkit Launcher and everything. Frustration.

Posted

*sigh* ...I'm on a Mac. ".jar" files must be unarchived or unzipped to access the files on OS X. I've tried it by replacing all items in modpack.jar as well as doing that AND deleting the META-INF folder. For now, I guess I'm stuck until someone else solves it because I am completely out of ideas.

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