Always crashed my game

when i launch the game my game crashed it always says:

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:247)
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 org.lwjgl.opengl.Display.create(Display.java:739)
at bes.ap(SourceFile:600)
at bes.an(SourceFile:436)
at bes.a(SourceFile:383)
at net.minecraft.client.main.Main.main(SourceFile:124)
and
OpenGL: ~_ERROR~ RuntimeException: No OpenGL context found in the current thread.

That's all hopefully you fix it or you send me the answer Thanks!