That's UAC. (Support requests)
by acaballero 
, Sunday, December 20, 2015, 23:59 (3041 days ago) @ Linda Murray
UAC on Windows 10 is even more painful for us with unsigned apps that Win8's UAC.
As per the exception you pasted, UAC isn't allowing icomancer to save its own settings file.
Please run icomancer as administrator (even if you are an administrator). That should fix it.
Complete thread:
- Unhandled exception error with recent update to Windows 10 - Linda Murray, 2015-12-20, 13:32
![[*]](themes/default/images/complete_thread.png "Open whole thread")
- That's UAC. - acaballero, 2015-12-20, 23:59