I figured out how can i run xCHM under windows(that first time when i ussing cygwin).. But xCHM seem do not whant to show Index Tab when Table of Contents is not avaible.. So i compile mirc.chm with TOC.. And it seem to work fine..

http://members.lycos.co.uk/mdlogs/mirc/xchm-screen.shot.PNG
Code:
http://members.lycos.co.uk/mdlogs/mirc/Mirc_with_toc.chm


Try again with new mirc_with_toc.chm ?

mIRC Chm Help 6.16.0.3 Full Anchored!