他就显示Mods loaded: 1
ModLoader Beta 1.8.1
      Minecraft has crashed!      
      ----------------------      
Minecraft has stopped running because it encountered a problem.
If you wish to report this, please copy this entire text and email it to [email protected].
Please include a description of what you did when the error occured.

--- BEGIN ERROR REPORT 5424363c --------
Generated 11-11-12 下午7:43
Minecraft: Minecraft Beta 1.8.1
OS: Windows XP (x86) version 5.1
Java: 1.6.0_24, Sun Microsystems Inc.
VM: Java HotSpot(TM) Client VM (mixed mode), Sun Microsystems Inc.
LWJGL: 2.4.2
OpenGL: Radeon X300/X550/X1050 Series version 2.1.8544 Release, ATI Technologies Inc.
java.lang.RuntimeException: Shader compile error!
in: /shader/water
Fragment shader(s) failed to link,  vertex shader(s) linked.
Fragment Shader not supported by HW
at Shader.link(Shader.java:186)
at Shader.<init>(Shader.java:111)
at iw.<init>(EntityRenderer.java:127)
at net.minecraft.client.Minecraft.a(SourceFile:258)
at net.minecraft.client.Minecraft.run(SourceFile:629)
at java.lang.Thread.run(Unknown Source)
--- END ERROR REPORT 71cd7980 ----------

表示看不懂    你还是重按把