Changing Menu Names

Hi, I was wondering if you can point me in the right direction, I am trying to change the menue names and it keeps say I can't save the name, please help.

Home Page, Features, Wow it's Joomla etc.

You can not save name if item with same name already exists, also check in trash.

Yes, I have checked that it had something to do with "javascript:;" as soon as I removed it I was able to change but it won't let me put it back in? I am also having an issue with rechaptcha I have checked the keys etc, set as default in configuration, it shows a label for rechaptcha but no box. I have disable it at the moment but I will need to put it on as soon as.

Also having issues with user registration, it all works to point when the user try's to log in after all the activation has been completed, it comes up with the following "You cannot access the private section of this site."

Site address: omhc.co.uk

Check what is default group you set for users and if that group can access page he is is redirected after login.

I have checked the setting on another site and they are both the same, If I change the user to superuser it will allow me in anything less that will not, I assume it has something to do the template as it will not allow ReCaptcha as well, so I am now stuck.....