Yep, did exactly the same things. Debug log starting from connecting to efnet:

-> irc.efnet.org NICK defianze
-> irc.efnet.org USER defianze "?.com" "irc.efnet.org" :defianze
<- NOTICE AUTH :*** Processing connection to irc.easynews.com
<- NOTICE AUTH :*** Looking up your hostname...
<- NOTICE AUTH :*** Checking Ident
<- NOTICE AUTH :*** Found your hostname
<- NOTICE AUTH :*** No Ident response
<- ERROR :Closing Link: 127.0.0.1 (You are not authorised to use this server)
-> irc.efnet.org NICK defianze
-> irc.efnet.org USER defianze "?.com" "irc.efnet.org" :defianze
<- NOTICE AUTH :*** Processing connection to irc.easynews.com
<- NOTICE AUTH :*** Looking up your hostname...
<- NOTICE AUTH :*** Checking Ident
<- NOTICE AUTH :*** Found your hostname
<- NOTICE AUTH :*** No Ident response
<- ERROR :Closing Link: 127.0.0.1 (You are not authorised to use this server)
-> irc.efnet.org NICK defianze
-> irc.efnet.org USER defianze "?.com" "irc.efnet.org" :defianze
<- NOTICE AUTH :*** Processing connection to irc.inet.tele.dk
<- NOTICE AUTH :*** Looking up your hostname...
<- NOTICE AUTH :*** Checking Ident
<- NOTICE AUTH :*** Found your hostname
<- NOTICE AUTH :*** No Ident response
<- :irc.inet.tele.dk 001 defianze :Welcome to the EFNet Internet Relay Chat Network defianze
-> irc.inet.tele.dk USERHOST defianze
<- :irc.inet.tele.dk 002 defianze :Your host is irc.inet.tele.dk[irc.inet.tele.dk/6667], running version ircd-ratbox-2.2.4
<- :irc.inet.tele.dk 003 defianze :This server was created Mon Jan 29 2007 at 12:52:38 CET
<- :irc.inet.tele.dk 004 defianze irc.inet.tele.dk ircd-ratbox-2.2.4 oiwszcerkfydnxbauglZCD biklmnopstveI bkloveI
<- :irc.inet.tele.dk 005 defianze CHANTYPES=&# EXCEPTS INVEX CHANMODES=eIb,k,l,imnpst CHANLIMIT=&#:20 PREFIX=(ov)@+ MAXLIST=beI:100 NETWORK=EFNet MODES=4 STATUSMSG=@+ KNOCK CALLERID=g :are supported by this server
<- :irc.inet.tele.dk 005 defianze SAFELIST ELIST=U CASEMAPPING=rfc1459 CHARSET=ascii NICKLEN=9 CHANNELLEN=50 TOPICLEN=160 ETRACE CPRIVMSG CNOTICE DEAF=D MONITOR=60 :are supported by this server
<- :irc.inet.tele.dk 005 defianze TARGMAX=NAMES:1,LIST:1,KICK:1,WHOIS:1,PRIVMSG:4,NOTICE:4,ACCEPT:,MONITOR: :are supported by this server
<- :irc.inet.tele.dk 251 defianze :There are 8728 users and 38683 invisible on 51 servers
<- :irc.inet.tele.dk 252 defianze 341 :IRC Operators online
<- :irc.inet.tele.dk 253 defianze 1 :unknown connection(s)
<- :irc.inet.tele.dk 254 defianze 22577 :channels formed
<- :irc.inet.tele.dk 255 defianze :I have 3739 clients and 1 servers
<- :irc.inet.tele.dk 265 defianze 3739 6524 :Current local users 3739, max 6524
<- :irc.inet.tele.dk 266 defianze 47411 73175 :Current global users 47411, max 73175
<- :irc.inet.tele.dk 250 defianze :Highest connection count: 6525 (6524 clients) (7846222 connections received)
<- :irc.inet.tele.dk 375 defianze :- irc.inet.tele.dk Message of the Day -
<- :irc.inet.tele.dk 372 defianze :- __ .___ .__ __ __
<- :irc.inet.tele.dk 372 defianze :- _/ |_ __| _/____ |__| _____/ |_ ___________ ____ _____/ |_
<- :irc.inet.tele.dk 372 defianze :- \ __\/ __ |/ ___\ | |/ \ __\/ __ \_ __ \/ \_/ __ \ __\
<- :irc.inet.tele.dk 372 defianze :- | | / /_/ \ \___ | | | \ | \ ___/| | \/ | \ ___/| |
<- :irc.inet.tele.dk 372 defianze :- |__| \____ |\___ > |__|___| /__| \___ >__| |___| /\___ >__|
<- :irc.inet.tele.dk 372 defianze :- \/ \/ \/ \/ \/ \/
<- :irc.inet.tele.dk 372 defianze :-
<- :irc.inet.tele.dk 372 defianze :- Welcome to TDC Solution's IRC server
<- :irc.inet.tele.dk 372 defianze :-
<- :irc.inet.tele.dk 372 defianze :- :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
<- :irc.inet.tele.dk 372 defianze :-
<- :irc.inet.tele.dk 372 defianze :- Location: Aarhus, Denmark (56 11 N 10 11 E)
<- :irc.inet.tele.dk 372 defianze :- Operated by: TDC Solutions, http://www.tdc.dk
<- :irc.inet.tele.dk 372 defianze :- Operating since: 17 Jan 2002.
<- :irc.inet.tele.dk 372 defianze :- Ports: 6661-6669.
<- :irc.inet.tele.dk 372 defianze :-
<- :irc.inet.tele.dk 372 defianze :- :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
<- :irc.inet.tele.dk 372 defianze :-
<- :irc.inet.tele.dk 372 defianze :- Rules on this server:
<- :irc.inet.tele.dk 372 defianze :- - No bots (but if it's quiet and we don't know it's a bot we don't care)
<- :irc.inet.tele.dk 372 defianze :- - No abuse (clones, flooding, spam and mass advertising)
<- :irc.inet.tele.dk 372 defianze :- - No begging for O-lines - we have enough opers.
<- :irc.inet.tele.dk 372 defianze :- - Sorry, but you cannot join any channels on split.
<- :irc.inet.tele.dk 372 defianze :-
<- :irc.inet.tele.dk 372 defianze :- :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
<- :irc.inet.tele.dk 372 defianze :-
<- :irc.inet.tele.dk 372 defianze :- You can contact our oper team:
<- :irc.inet.tele.dk 372 defianze :-
<- :irc.inet.tele.dk 372 defianze :- - Sonny T. Larsen - STL (Server admin)
<- :irc.inet.tele.dk 372 defianze :- - Jan Chrillesen - Chrille (Server admin)
<- :irc.inet.tele.dk 372 defianze :- - Anders Hardangen - Hardy
<- :irc.inet.tele.dk 372 defianze :- - Jaded
<- :irc.inet.tele.dk 372 defianze :- - sprite-dk
<- :irc.inet.tele.dk 372 defianze :- - Alex Short - MrDev
<- :irc.inet.tele.dk 372 defianze :- - Patrik Hildingsson - KurD
<- :irc.inet.tele.dk 372 defianze :- - Anders Mundt Due - Kralian
<- :irc.inet.tele.dk 372 defianze :- - David B. - tel
<- :irc.inet.tele.dk 372 defianze :- - Glenn Bergland - swift
<- :irc.inet.tele.dk 372 defianze :-
<- :irc.inet.tele.dk 372 defianze :- Try `/stats p irc.inet.tele.dk' to find an active oper
<- :irc.inet.tele.dk 372 defianze :- (TeleOPM and TeleMon are bots - not real opers)
<- :irc.inet.tele.dk 372 defianze :-
<- :irc.inet.tele.dk 372 defianze :- :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
<- :irc.inet.tele.dk 372 defianze :-
<- :irc.inet.tele.dk 372 defianze :- Contacts:
<- :irc.inet.tele.dk 372 defianze :-
<- :irc.inet.tele.dk 372 defianze :- - Send questions regarding server to efnet-opers@tdk.net.
<- :irc.inet.tele.dk 372 defianze :- - Abuse reports to: abuse@eris.dk.
<- :irc.inet.tele.dk 372 defianze :-
<- :irc.inet.tele.dk 372 defianze :- ATTENTION:
<- :irc.inet.tele.dk 372 defianze :- proxy-scanner.eris.dk is not trying to hack you! On join we connect to
<- :irc.inet.tele.dk 372 defianze :- a number of ports to scan for open proxies, routers with default
<- :irc.inet.tele.dk 372 defianze :- passwords, jeem.mail.pv trojans and misconfigured wingates
<- :irc.inet.tele.dk 372 defianze :-
<- :irc.inet.tele.dk 372 defianze :- :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
<- :irc.inet.tele.dk 372 defianze :-
<- :irc.inet.tele.dk 372 defianze :- This is the new server!!!
<- :irc.inet.tele.dk 372 defianze :-
<- :irc.inet.tele.dk 376 defianze :End of /MOTD command.
<- :dkbot!monitor@tele.bot PRIVMSG defianze :VERSION
-> irc.inet.tele.dk NOTICE dkbot :VERSION mIRC v6.35 Khaled Mardam-Bey
<- :irc.inet.tele.dk 302 defianze :defianze=+~defianze@somewhere
-> irc.inet.tele.dk PRIVMSG defianze :2ƒo[6nbn
<- :defianze!~defianze@somewhere PRIVMSG defianze :2ƒo[6nbn

Moved my mouse over the message, selected the text (this tends to speed up the crash, but it's not necessary) --> crash.