This is a know issue which is easily addressed.
Members using Internet Explorer are finding that if they go to another site then return here, or refresh the page they are having to log in every time.
To fix it go to Internet Options and click on the privacy tab.
Click on the Sites button and enter the following address
http://www.badgfx.co.uk and click on the Allow button.
Then repeat the step using this address
https://badgfx.forumotion.co.uk and click Allow again.
Click OK, then OK again and the problem should be sorted.
This shouldn't affect Firefox users.