Could anybody please tell if we can Edit or Post messages in MSDN forum using opera browser.

but then I'm using IE7 over XP Prof SP2. I'm not getting the same pop up which you are getting what could be the reasons

which browser are you using?

Try the solution provided in the screenshot attached.

Though your General Browsing expereince will become a bit slow but will most probably solve your problem. Good Luck!

I also like Opera...

Mine to 60 seconds ago

Actually it does not. HTML is disabled