Have secured my site too well

just added the ssl plugin and immediately selected to secure my admin area and the checkbox below that also. Set up to dirrect to port 443.

Now tried the uncommennting trick for the file in the plugin dirrectiory
// (‘whatever’, true);

Also tried from the database:
approximately -> update wp_options where value = ‘active plugins’ to value = ”; (except the right one … cut and paste)

The site now gives the following error:
Forbidden

You don’t have permission to access / on this server.

Additionally, a 403 Forbidden error was encountered while trying to use an ErrorDocument to handle the request.
Apache Server at http://www.whatever.com Port 80

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How to fix?

http://wordpress.org/extend/plugins/wordpress-https/