Seeing all your chat twice? This cropped up after a recent Norton antivirus update. The fix has been to uninstall and reinstall Norton according to these instructions:
Thank you!
Thank you!
I have only seen that from wlan people looong time ago.
Usually when people's posts are doubled (or tripled or quadrupled), it's a networking/packet loss issue. But we've had a number of reports in the past week that were a bit different.
For instance, only the person it's happening to sees it, and we weren't able to determine any similarities in the people affected except their use of Norton. From there we found out that reinstalling it helps.