Hallo!
so sollte es gehen:
[autoit]$fhOrginal = FileOpen(@ScriptDir & "\SETUPLDR.BIN", 16)
$binOrginal = FileRead($fhOrginal)
FileClose($fhOrginal)
$binPatch = BinaryMid($binOrginal,1,0x205F)
$binPatch &= BinaryMid(Binary(0xEB),1,1)
$binPatch &= BinaryMid(Binary(0x1A),1,1)
$binPatch &= BinaryMid($binOrginal,0x2062)
MsgBox(0,"","vorher:" & @TAB & BinaryMid($binOrginal,0x205F,4) & @CRLF & "nachher:" & @TAB & BinaryMid($binPatch,0x205F,4))
[/autoit][autoit][/autoit][autoit];~ $fhPatch = FileOpen(@ScriptDir & "\SETUPLDR.BIN", 18)
;~ FileWrite($fhPatch, $binPatch)
;~ FileClose($fhPatch)