posting problems

hi all, im back from hoilday, but now seem to have troubles posting here.

often, after i have posted a reply, as soon as i close the window, my internet explorer goes crazy and keeps reloading blank pages, forcing me to use task manager to forceably end the programme (which always takes ages as my processor is running at around 100% reloading more and more blank pages).

im just wondering if anyone else have encoutered similar problems, or if someone knows what is wrong with my computer and how i can fix it?

thank you.

PS, i have a feeling that i may encounter the above mentioned problem again after i post this thread, so please excuse me if i dont reply promptly to replies.