Forums mIRC Help High cpu usage when scrolling/marking text

No sparta, this is a brand new 64xp install and I ran memtest prior to installing so there are no faulty rams. Nothing else running while testing mirc.

---
A quick survey in an irc channel suggests that mIRC in a 64bit environment is the problem. I asked them to scroll and report the cpu usage.

XP 32bit gives ~5%cpu
XP 64bit gives 100%cpu (on one core)

win7 64bit gives 100%cpu (on one core)

I couldn't find anyone using Vista.
-

A bit sad that the irc program I've been using since 1999 suddenly went from 1% cpu usage to 100% just because I changed to a 64bit operating system :&