format PE64 console 
entry start 

include '%fasminc%\win64ax.inc' 

;************************************************************************************************** 
section '.text' code readable executable 

    start: 
        cinvoke printf, fmtStr, myStr
        invoke  ExitProcess, 00

;************************************************************************************************** 
section '.data' data readable writeable 

fmtStr      db "%s", 00
myStr         db "Hello World", 00

;************************************************************************************************** 
section '.idata' import data readable writeable 


library     kernel32, 'kernel32.dll',\
             msvcrt, 'msvcrt.dll'

    include '%fasminc%\api\Kernel32.inc' 

    import  msvcrt,\ 
        printf, 'printf'
    

00000000`00401028 ff153a200000    call    qword ptr [image00000000_00400000+0x3068 (00000000`00403068)] ds:00000000`00403068={ntdll!RtlExitUserProcess (00000000`770937f0)}
0:000> p
(11e0.688): Access violation - code c0000005 (first chance)
First chance exceptions are reported before any exception handling.
This exception may be expected and handled.
*** ERROR: Module load completed but symbols could not be loaded for C:\Program Files (x86)\AVG\AVG2015\avghooka.dll
    

AVG was the problem.
<...>
I had no problems with the code above after installing Avast