Here are some screenshots:
This is how it should look on the landing (home) page.
This is how the landing page looks now:
This is how the forum page looks. As you see there is no footer, no copyright info, no contact link, and no terms and rules link:
I did have a problem with adware and restored my computer a few days ago, but I don't see how that would have any bearing on the site. Other than that I haven't changed anything.