Help with Graphic Settings

I have almost got Onz fixed, i have got his system so he can get online again now, but i have noticed that ingame you can still see the mouse cursor.

The consequence of this is that when you hit esc, nothing happens so the only way to quit is to ctrl alt del.

Any suggestions about the cure, i presume its a graphics setting, i have started tweaking but have not yet resolved it and would welcome advice.

In conf.ini

[rts]
;ProcessAffinityMask=1
mouseUse=2 <-------- set to 1 leaves mouse on screen, didn’t try 0
joyUse=1
trackIRUse=1
DisableIME=0
locale=