I’m trying to make the Code Segment Execute-Only (Not Readable). But I FAILED after I tried everything the Manual told me to. Here is what I did to make the code segment unreadable. First, I’ve found this in “Intel(R)64 and IA-32 Architectures Software Developer’s Manual(Combined Volumes 1,2A,2B,2C,2D,3A,3B,3C and 3D)”: Set read-enable bit to enable read and Segment Types.(Sorry, I’m still