OK, back to the driver installing, after last "Next" step, the system is installing driver software for you,
as follows,
In the course,
It (for Windows XP x 86& x 64, Windows Vista x 86& x 64 , Windows7 x 86) may open a window
named "Windows Security" as below, and just select "Install this driver software anyway" to continue,
Or sometimes it (for Windows 7 x 64) may open a window named "Windows Security" as below, and
just click "Install" to continue,
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