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I have been searching the internet for quite a while to find a solution for my problem but yet found nothing as usual. I trying to load 1.8.3 and im on a windows 7, 64-bit laptop. Here is my problem.

Exception in thread "main" java.lang.UnsatisfiedLinkError: C:\Users\***********\AppData\Roaming\.minecraft\versions\1.8.3\1.8.3-natives-905590781750\lwjgl64.dll: %1 is not a valid Win32 application
at java.lang.ClassLoader$NativeLibrary.load(Native Method)
at java.lang.ClassLoader.loadLibrary0(ClassLoader.java:1929)
at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1847)
at java.lang.Runtime.loadLibrary0(Runtime.java:870)
at java.lang.System.loadLibrary(System.java:1119)
at org.lwjgl.Sys$1.run(Sys.java:72)
at java.security.AccessController.doPrivileged(Native Method)
at org.lwjgl.Sys.doLoadLibrary(Sys.java:66)
at org.lwjgl.Sys.loadLibrary(Sys.java:87)
at org.lwjgl.Sys.<clinit>(Sys.java:117)
at avf.J(SourceFile:2524)
at net.minecraft.client.main.Main.main(SourceFile:41)
Java HotSpot(TM) 64-Bit Server VM warning: Using incremental CMS is deprecated and will likely be removed in a future release

Please help I would truly appreciated it

hi if you still need help i have a fix

Go to Start and type in cmd[/b]. Right-click the results that appears and click 'Run as administrator', then In the command prompt window, type

sfc /scannow

command and press enter:

then restart your computer should work it did for me and i had the same error

You have to delete .minecraft

i didn't all i had to do was run the scan and restart my computer fixed