Hi Giz,
I've made no mods at all.
I run Joomla alongside UBB but it appears to run smoothly and the only Joomla extenstions I use are well known to the Joomla community (and all professional versions).
I asked my host what other processes/ resources are being used but their initial response has been to ask me to try it again as they have increased the amount of ram.
(It hasn't made any difference.)
I've informed them of this fact and also quoted your comments.
