Additionally...
403 Forbidden ErrorHere are some methods to try:
1. With Firefox, click the green right-pointing arrow to the right of the address bar.
2. With Firefox, refresh/reload (F5)
3. With Firefox, copy/paste link into the address bar & press the enter key
4. With Internet explorer, try two or three
Something else to consider is to clear the cache &/or cookies, then retry the above.
Also, determine if for some reason the site has been blocked in the internet settings/options or whatnot.
Lastly, 404 errors are the exception as they are pretty much dead, dead, dead. However, it never hurts to try the above to make sure, due to country blocks.
If a link is truly dead after trying the above, please report like
so, which also discusses the nine second phenomenon.