Nabeel, here is the reply from the webhost...
Then, like an idiot, I accidentally touched the PHP setting in the control panel and it reverted back to CGI! :
I'm waiting for them to change it back, but in the meantime, I thought I'd let you know what happened. Just before the php setting got reverted, I tried loading the site again, and I got a plain blank screen when just trying to view the home page.
I thought maybe once they switch it back, I should re-install phpvms...necessary?