I get this error when trying to launch. 1.8 works ok. but anything above including 1.8.7 (Req for Realms) produces following error

Exception in thread "main" java.lang.UnsatisfiedLinkError: C:\Users\r\AppData\Local\Temp\jna\jna7617645286425065234.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 g.<clinit>(SourceFile:16)
at ave.<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

When i navigate to the temp/jna folder, it is empty.

I have no idea where to go on this?. I have tried reinstalling JAVA to no avail.

Any help would be appreciated.