mIRC is a problem child in that it can be used in certain ways to send a trojan, report your IP to others to flood your connection and for now, I'd stop using it until you are sure your machine is free from Trojans, Worms, Virus and other parasites.
Use the tools to scan and if you want, remove such pests.
http://reviews.cnet.com/5208-6132-0.html?forumID=32&threadID=1313&start=0
Bob
For some reason, when i have mIRC running, my computer will freeze up several times for 10-15 seconds each time and my internet will have cut off.
If anyone knows why this is happening or how to fix it, your help will be appreciated.

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