Do you know the URL of the forum (You may be able to find if if you search the history of your browser.), or even it's name (as shown in the top left corner of the screen). Failing that, if you subscribed to any topic you might have an old email that would help identify it.
Give as much information as possible and it may be possible to track it down.
Volunteer Helper - but recommending that users move off the platform!
Once the admin for GregHelp now deleted.