Thanks for your quick response and clarification
> Demo chat room on my site is configured to check for new messages in 3 second intervals.
Sorry for wrong alarm
> If you get some more info on how to reproduce it on clean LAMP and WordPress install on your favorite Linux distro please write here and I'll do my best to resolve it.
Will definitely update here with more information shortly
> To be honest I'm finding it more and more difficult to deal with Quick Chat and my other open source plugins support, work, health issues of mine etc.
Your support is great and you are already working hard for us to provide the great plugin. I really appreciate the kind of support you provide to us. Users like me always disturb developers like you for features and problems. You need not neglect your health for them. Do it only when you get free time
Good luck !