Wont let me launch Tekkit at all; I've tried several times. [16:53:23] [main/INFO]: Setting user: Overwolf_ [16:53:29] [Client thread/INFO]: LWJGL Version: 2.9.1 [16:53:29] [Client thread/ERROR]: Couldn't set pixel format org.lwjgl.LWJGLException: Pixel format not accelerated at org.lwjgl.opengl.WindowsPeerInfo.nChoosePixelFormat(Native Method) ~[lwjgl-2.9.1.jar:?] at org.lwjgl.opengl.WindowsPeerInfo.choosePixelFormat(WindowsPeerInfo.java:52) ~[lwjgl-2.9.1.jar:?] at org.lwjgl.opengl.WindowsDisplay.createWindow(WindowsDisplay.java:252) ~[lwjgl-2.9.1.jar:?] at org.lwjgl.opengl.Display.createWindow(Display.java:306) ~[lwjgl-2.9.1.jar:?] at org.lwjgl.opengl.Display.create(Display.java:848) ~[lwjgl-2.9.1.jar:?] at org.lwjgl.opengl.Display.create(Display.java:757) ~[lwjgl-2.9.1.jar:?] at net.minecraftforge.client.ForgeHooksClient.createDisplay(ForgeHooksClient.java:327) ~[ForgeHooksClient.class:?] at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:432) [bao.class:?] at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:878) [bao.class:?] at net.minecraft.client.main.Main.main(SourceFile:148) [Main.class:?] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_112] at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_112] at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_112] at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_112] at net.minecraft.launchwrapper.Launch.launch(Launch.java:135) [launchwrapper-1.11.jar:?] at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.11.jar:?]
Please follow the official mojang trouble shooting guide on this matter: Pixel Format Not Accelerated - Hopper