In response to the original post, page can not be displayed is because the code sent from our server to your machine took too long. This could be because of many reasons.. slow on your side, our side or the internet...
The SQL error is if the database crashes or goes offline briefly. Unfortunately it does go off for a second or two from time to time as our hosts let us down...
but...
and you know what I'm going to say here...
The more people that
Donate to the site, the quicker we can move to a host that doesn't let us down...
MadCat