This morning I had updated a few plug-ins and deleted JetPack which I believe I had installed through the WordPress.com app by accident yesterday (not sure if I was the one installed it though). But after that the entire site went down with white page Error 500, and I cannot log in to wp-admin either. Using the wordpress app I can still see some wordpress pages but nothing else worked. Try to set up JetPack again and the set up screen went no where after 5 minutes.
I need to know whether this is a Jetpack issue. And could this be fixed by deleting JetPack from FTP?
Thank!
J.