Seems Mr Weaver has tired of Quimper and moved on as his website says:
Latest News, October 2015: Farewell France, hello Switzerland. Our new Office at Geneva Airport has now opened. We will be keeping the same French number for some months until setting up a new Swiss number within our office.
and
Sky Ferry is registered as a US Delaware trading company with an office located at Orlando MCO Intl, USA, and with an additional operational trading office and the flight planning headquarters located at Bucharest OTP Intl airport, Romania and finally with a operational department in Geneva, Switzerland.
Contact details, in case any one is desperate for his services
are:
Sky Ferry
Regus Offices
WTC ll Building
29 Route De Pre Bois
Geneva Intl Airport, 1215
Switzerland
Regus are the guys who sell serviced office accommodation, will rent you an office by the hour and provide virtual offices.
Flight Planning HQ remains at Office A3, Menzies Aviation, Henri Coanda International Airport in Romania so I guess the computer running MS Flight Sim has not been relocated!