ok what version of the tira do you have also?
and have you tried the ftdi drivers??http://www.ftdichip.com/Drivers/D2XX.htm
that is the most recent for windows 10
if you have the tira-4, and i do not know if it is even out yet.
then there is a possibility it could be this driverhttp://www.ftdichip.com/Drivers/VCP.htm
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