help me. Sorry if i used google translate.

17:37:23 launcher Preparing to launch minecraft client for 1.8
17:37:25 launcher Checking installations.
17:37:25 launcher Minecraft client 1.8 is ready to start.
17:37:25 launcher Starting!
17:37:27 launcher Using default game log configuration client-1.7.xml (outputs XML)
17:37:31 bsu Setting user: zRichi01_
17:37:31 bsu (Session ID is token:04d9c056768346448538a8f3a6f9d6c0:0d2b46533a3647c680b5e743769f2ae7)
17:37:38 bsu LWJGL Version: 2.9.1
17:37:38 bsu Couldn't set pixel format
org.lwjgl.LWJGLException: Pixel format not accelerated
at org.lwjgl.opengl.WindowsPeerInfo.nChoosePixelFormat(Native Method)
at org.lwjgl.opengl.WindowsPeerInfo.choosePixelFormat(WindowsPeerInfo.java:52)
at org.lwjgl.opengl.WindowsDisplay.createWindow(WindowsDisplay.java:252)
at org.lwjgl.opengl.Display.createWindow(Display.java:306)
at org.lwjgl.opengl.Display.create(Display.java:848)
at org.lwjgl.opengl.Display.create(Display.java:757)
at bsu.am(SourceFile:510)
at bsu.aj(SourceFile:352)
at bsu.a(SourceFile:299)
at net.minecraft.client.main.Main.main(SourceFile:120)