SRWare Iron as a default browser

[SRFan]

Hello!
Could anyone please advise on how to set Iron as a default browser? The button in options doesn't work out. I have Win7 SP1. No other browsers in the system besides IE9 and Iron.
Many thanks in advance.

[mapx]

search the forum ...

http://www.srware.net/forum/viewtopic.php?f=18&t=2640

[SRFan]

Thanks a lot. It helped.