how do i fix my minecraft %appdata%

hi i need help on what to do i backed up every thing to my book and then wiped the computer and now i amd trying to minecraft to work but it wont i could not find %appdata% and this is the error code that came up

Exception in thread "main" java.lang.UnsatisfiedLinkError: /Users/liam/Library/Application Support/minecraft/versions/1.8.3/1.8.3-natives-1424900897041118000/liblwjgl.dylib: Library not loaded: @rpath/libjawt.dylib Referenced from: /Users/liam/Library/Application Support/minecraft/versions/1.8.3/1.8.3-natives-1424900897041118000/liblwjgl.dylib Reason: image not found
at java.lang.ClassLoader$NativeLibrary.load(Native Method)
at java.lang.ClassLoader.loadLibrary0(ClassLoader.java:1861)
at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1785)
at java.lang.Runtime.loadLibrary0(Runtime.java:823)
at java.lang.System.loadLibrary(System.java:1045)
at org.lwjgl.Sys$1.run(Sys.java:73)
at java.security.AccessController.doPrivileged(Native Method)
at org.lwjgl.Sys.doLoadLibrary(Sys.java:66)
at org.lwjgl.Sys.loadLibrary(Sys.java:95)
at org.lwjgl.Sys.<clinit>(Sys.java:112)
at avf.J(SourceFile:2524)
at net.minecraft.client.main.Main.main(SourceFile:41)

so if you could tell me how to fix it that would be great thank you for you great work
-liam (mailman129)