Why won't my security dialog box stay open?

[iMore Question]

Why security dialog box won't stay open

When I attempt to enter my password in a dialog box, the box will open and close
within one second and doesn't allow me time to type password.

 

[Just_Me_D]

Re: Why security dialog box won't stay open

What security dialogue box? What app? What device? What website? Help us to help you.