Hi Propeller7903,
I have no helpful hints for your problem, only some for your post!
The same goes for the screenshot.
You mention
Is that before or after this update? Is there a log of the update itself? Someone just started a new thread regarding an update from 30.0.4 to 30.0.5, you might compare logs (and, if the update went wrong on your side as well, change the topic title to reflect that)
Edit to add: And another similar thread, with more helpful replies: Update from 30.0.1 to 30.0.5 Internal Server Error