Forums mIRC Help mIRC Crash upon dcc send/receive

Possibly. So far, what you have mentioned matches exactly all the other cases in which this fix worked (down to the fact that you're using an AMD processor). There is a README text file in the zipfile I linked, which explains things a bit better. You could just give it a try, it's harmless otherwise.

Some of the older related threads: here, here, here, here. If you search for "iphlpapi" in the last 4 years in this forum, you'll find these and others.