http://www.wikihow.com/Clear-Your-Browser%27s-Cache
click on this link and choose your browser it will explain
how to clear out your browser cache,and help your PC
to run faster,and work properly.
I have IE and I do this,and it does work with some other
browsers,so giv it a try.
On the keyboard click 'Control Shift Delete' together then,
on the window that appears click on Delete.
Have a good day
RóGéR