Sometimes clearing your file history helps eg from internet explorer

tools > internet options > delete > everything except cookies - unless you want to log into all your fave sites again - because cookies is where your login stuff gets stored.

This forces your browser to get all the new pages from the net.

Holding the shift key down and clicking refresh sometimes works.

In IE - next to the "delete" bit in the options is "settings", it helps to have the check for new pages "every time I visit the web page" switched on too.

Hope that helps.

Not all quackers are ducks.