Erm, could you stop typing in caps please? This is considered shouting in the chat world, and rather rude. What's more, the topic of this thread is a little demanding - asking for something "NOW" is not the best way to go around things.
If you had taken the time to look around, you would have noticed this post
."This normally means you are not properly connected to the Internet. Your Windows cannot find out how or where to find the IRC server. It has nothing todo with mIRC or IRC! Check your connection (reconnect if everything seems fine) and try again." more here
Happy chatting (in lowercase)