A server was recently updated with the latest antivirus definitions. Immediately after the update, the server begins to report file not found errors for a mission critical application.
An administrator needs to update the anti-virus, security patches, BIOS, and the web server software on a production system.
An administrator has shut down a server to install additional memory. When the administrator restarts the server after the upgrade, it times out. Which of the following could be the cause of the problem?