1. Login to your site using FTP.
2. Delete the index.php file.
3. Rename the index.php.wpau.bak file to index.php
Performing these steps should remove the maintenance mode message.
I say ban Techie Buzz until he corrects the spelling of “inconvinience” in his plug in. My grief would have been bearable and my Forum searches fruitful if I had simply searched with that atrocious spelling… and my blog online long ago.
“inconvinience” – try searching with that.