Unable to view my websites

[Gypsy Rose]

I attempted to access my websites and the maintenance site today and both are missing.  the websites are black screens and the maintenance address comes up as not found.  I was sure that I had accessed these links since the conversion, but now I am having trouble.  I have opened a support ticket, but don't know how long it will take to get a response.  Do you have any suggestions? 

[Dynaweb]

It sounds like your files either got corrupted or defaced.  I have seen this happen before recently where only index files are affected.  Try using your personal backups to re-upload the index file to the server.  I hope this helps you