Honda Civic Won't Start - Green Key Light Flashing

The vehicle Covered on this post is the European Honda Civic Mk8. 

It was made between 2006 and 2012,  the problem described on this blog usually only affects the vehicles made in the earlier years of this time period (up to around 2009).

the symptoms are:

The car will not start, and you will notice a flashing green key light on the dash (see picture below).