Site crashed after updating to WordPress 4.5; I removed the plugins directory to get the site back up and running. I re-installed WPMU Dev dashboard there were no issues. Next, I installed Events +, and got the error again: Here is what shows on the screen - I can only go in via FTP and delete the Events + folder to get the site back up and running:
(all plugins were disabled except Dashboard and Events +
Internal Server Error
The server encountered an internal error or misconfiguration and was unable to complete your request.
Please contact the server administrator, email@example.com and inform them of the time the error occurred, and anything you might have done that may have caused the error.
More information about this error may be available in the server error log.
Additionally, a 500 Internal Server Error error was encountered while trying to use an ErrorDocument to handle the request.