Having trouble logging in to the new forums? Getting bumped off as soon as you login?
Try deleting you HiddenGlasgow cookies and the problem *should* be resolved.
In Internet Explorer(7)
Tools > Internet Options > General > Browsing History > Settings > View Files
Click 'Internet Address' to bring cookies to the top, find any that mention hiddenglasgow and delete then.
In Firefox:
Tools > Options > Privacy > Show Cookies
Search for 'hidden' and delete all the cookies listed, then try accessing the forums again.
Alternatively (with both browsers) just delete all browsing history / cache / files - but then you might lose some setting for other websites.