Hi Does anyone else have this problem or can you help me get over it.

I watch on demand to catch up on shows that I miss, however trying to watch on TV3 and 4 is a nightmare. 

The basic problem is that the program starts but then will stop with the buffering sign but it never stops buffering. The only way to fix it is to reload the page but of course then I have to sit through the adverts again before trying to jump to the location the video stopped at.
The other problem is that after one of the advert breaks the show jumps straight back to the beginning of the show.

It is very frustrating. I do not have any of these issues watching tvnz, choice or youtube.

I have contacted TV3. The test video worked fine. Their response was

Turn off your firewall
try using a different router/modem. Over time, some models of modems/routers tend to slow down the data throughput.
try using a different browser e.g. Google Chrome
try pre-loading the stream by starting to load it after the ads have finished, then pausing and waiting for a while, while the stream loads, then playing the video
try using a different ISP

Their responses have been really bad. Any ideas as to how this problem might be fixed?