Windows System Error Code 191 – ERROR_INVALID_EXE_SIGNATURE (0xBF)]

In this post, you’ll learn about the Windows System Error ERROR_INVALID_EXE_SIGNATURE (0xBF)] and the reason why you are receiving the error message

How does this Error in Windows Look like?

Error Code 191 ERROR_INVALID_EXE_SIGNATURE (0xBF)]

Why do you receive the System Error Error Code 191 ERROR_INVALID_EXE_SIGNATURE (0xBF)] in Windows?

Cannot run %1 in Win32 mode.