1. click on 'Server' and tick 'hide version'
2. click on 'Settings', 'Lists' and CTCP Replies
if VERSION is not listed there, then ADD it
paste in the following text, or edit it yourself to say something l33t
CODE
nctcp %s VERSION mIRC 5.91 (16 bit) for Microsoft © Windows For WorkGroups 3.11®
heres a screenshot so that you can see what I mean
cheers
anyweb