Sounds like a cache problem.
- In Internet Explorer, click on the tools menu and then click on 'internet options'
- On the page that opens, in the 'temporary internet files' section, click on delete temporary files. It will as you to confirm. Click on yes.
- When that has finished, on the same window, in the same 'temporary internet files' section, click on settings.
-At the top, click on the 'automatically' option and click on ok.
- Click on ok again to come out of the options.
. .Hope this helps...