Hello,

Double icons for minimize/maximize/close are displayed if the tray setting is enabled.
- Options -> Display -> Options -> Tray ... -> tick "Place mIRC in tray when minimized"

Thanks,
//swimm3r

What version of mIRC are you running? There was a duplicate icons bug that was fixed in 7.66.





https://forums.mirc.com/ubbthreads.php/topics/268671/re-mdi-duplicate-icons

Hello,
I can confirm that the bug is fixed in 7.67

Sorry for late response.

Happy Holidays.
//swimm3r