Error 403 when I try to login to our private forum

please try exiting and restarting your browser.  if you still have that issue, please let us know.

I am sorry to tell that my problem still exists. I closed all my browser instances before retrying. I also removed cookies.

Also the 'Forgotten your password?' page results in error 403.

we had a few ppl have this issue and it appears to be fixed for them now, so i'm not sure why you're still having it.

maybe you could try rebooting your computer, just to make sure everything clears out of the temp cache of your browser.  if that doesn't work, we'll take another look at your forum, we'll get it working for you.

OK, I restarted my computer.

But the problem is still there.

You can write anything to the 'Email Or Username' and 'Password' fields. After clicking Login, you will see error 403.

Thanks in advance for your help!

This is interesting.

I succeeded to login to our forum with Firefox 3.5.

Problem is seen still with Internet Explorer 8!

it sounds like a cookie problem on IE8, i know you said you deleted them, but maybe try again.  Also, you might want to try IE8 Compatibility mode.