Should be some error files in the 'logs' dir. related to why those two pages will not load or in your Hosting account error logs.
I also agree that publicly posting an FTP login is just asking for trouble and hopefully you've removed it. There is the Commercial Help section of the Forum if looking to hire someone to help you.
I'm a bit confused though as to why you would have Admin area problems when this thread has only been discussing files related to the front-end?
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