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I have been having problems for around 5 days with playing minecraft 1.8.2 and 1.8.3. I haven't been able to play those version of minecraft every time I want to play it this game output comes out for 1.8.3 is

Exception in thread "main" java.lang.UnsatisfiedLinkError: C:\Users\UserName\AppData\Local\Temp\jna\jna2815929625436756087.dll: Access is denied
at java.lang.ClassLoader$NativeLibrary.load(Native Method)
at java.lang.ClassLoader.loadLibrary0(ClassLoader.java:1929)
at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1814)
at java.lang.Runtime.load0(Runtime.java:809)
at java.lang.System.load(System.java:1083)
at com.sun.jna.Native.loadNativeLibraryFromJar(Native.java:771)
at com.sun.jna.Native.loadNativeLibrary(Native.java:697)
at com.sun.jna.Native.<clinit>(Native.java:127)
at com.sun.jna.Pointer.<clinit>(Pointer.java:42)
at com.sun.jna.platform.win32.WinReg$HKEY.<init>(WinReg.java:32)
at com.sun.jna.platform.win32.WinReg.<clinit>(WinReg.java:61)
at oshi.software.os.windows.WindowsHardwareAbstractionLayer.getProcessors(WindowsHardwareAbstractionLayer.java:33)
at h.<clinit>(SourceFile:16)
at avf.<clinit>(SourceFile:147)
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

this one is the game output for 1.8.2

Exception in thread "main" java.lang.UnsatisfiedLinkError: C:\Users\UserName\AppData\Local\Temp\jna\jna3241788877648465726.dll: Access is denied
at java.lang.ClassLoader$NativeLibrary.load(Native Method)
at java.lang.ClassLoader.loadLibrary0(ClassLoader.java:1929)
at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1814)
at java.lang.Runtime.load0(Runtime.java:809)
at java.lang.System.load(System.java:1083)
at com.sun.jna.Native.loadNativeLibraryFromJar(Native.java:771)
at com.sun.jna.Native.loadNativeLibrary(Native.java:697)
at com.sun.jna.Native.<clinit>(Native.java:127)
at com.sun.jna.Pointer.<clinit>(Pointer.java:42)
at com.sun.jna.platform.win32.WinReg$HKEY.<init>(WinReg.java:32)
at com.sun.jna.platform.win32.WinReg.<clinit>(WinReg.java:61)
at oshi.software.os.windows.WindowsHardwareAbstractionLayer.getProcessors(WindowsHardwareAbstractionLayer.java:33)
at h.<clinit>(SourceFile:16)
at avf.<clinit>(SourceFile:147)
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

the jna.dll changes every time, its not the same, but if anyone can help how to fix it please help

If it was under the temp folder then maybe I did but anywhere else I haven't messed anything with it

Is there a way I can re install those files? I have tried reinstalling java and the launcher and also have used the launcher that doesn't require java

Hi sorry for taking a while to get back to you. The link you provided helped, the last thing they said was the solution the "jna" folder in my Temp I had to allow full permission to everyone after that every launched perfectly. Thanks for your help so much!!!!

The solution for this has been found

Thanks for your help