Hi,
You will need to login in as that Windows user where the Scheduled job is running and then stop or delete the job in SQLyog using the ‘Scheduled Jobs’ option under the ‘Powertools’ menu.
Or, you can delete the respective job from the Windows Task Scheduler.
Please note, the scheduled job is not with the server (the server does not know a scheduled job is running at all), but executed by the Windows Scheduler on the machine where it was created.
Regards,
Sibin