[kylek]

I had one installed - Marco's Advanced editor/quick reply - that I thought may have been the reason the popups started but it was installed months ago. Completely uninstalled and removed it but this did not stop the leave page messages.

I found a temp solution to stop the leave page message in jira by doing this:

edit clientscript/vbulletin_textedit.js file
change it this:
{YAHOO.util.Event.addListener(window,"beforeunload ",this.exit_prompt,this,true)} to:
{YAHOO.util.Event.addListener(window,"beforeunload ",this.exit_prompt,this,false) }