May or may not be related but for the last couple of weeks practically every page for every forum loads OK but I get a small exclamation point in the lower left corner of the screen with the message "Error on page". There's no further description of the error and the pages seem to load and display correctly.

Sometimes though a page will refuse to refresh within a forum and I have to go back to the main forums page.

IE 8 on both XP and 7. More of a nuisance than a problem.