i get this andim doing disable
Uncaught exception from thread:Thread[LWJGL Renderer Thread,5,main]
org.lwjgl.LWJGLException: No support for WGL_ARB_multisample
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:210)
at org.lwjgl.opengl.Display.createWindow(Display.java:306)
at org.lwjgl.opengl.Display.create(Display.java:873)
at org.lwjgl.opengl.Display.create(Display.java:782)
at com.jme3.system.lwjgl.LwjglDisplay.createContext(LwjglDisplay.java:137)
at com.jme3.system.lwjgl.LwjglAbstractDisplay.initInThread(LwjglAbstractDisplay.java:113)
at com.jme3.system.lwjgl.LwjglAbstractDisplay.run(LwjglAbstractDisplay.java:205)
at java.lang.Thread.run(Unknown Source)
Application was not initialized.
Sorry you are having problems.
It should only try to do multisample if you have AA set to something other than Disabled (like x2, x4). You say you don't so maybe something else is confused.
If you have an error log can you post the whole error log as a separate topic?