The most effective way to fix this error is to manually remove the broken service and let the Veeam Backup Server reinstall it. Log into the (the one showing the error). Open Command Prompt as an Administrator.
: The service executable may have been removed by antivirus software or failed to copy during an update. failed to start service veeamdeploysvc
: A previous uninstall or update attempt left the service in a "zombie" state because a management console (like services.msc ) was still open. The most effective way to fix this error