Jobs pop-up a notification on the user’s screen before they run. It include Copy or Run Script jobs.
in Client Settings > Access tab, the Prompt options were enabled.
Release : 3.3 RUx
You can disable this setting on agent itself or from the server. These settings can be applied on all computers or group of them:
In server under computers, right click on all computers or the desired group > Change Agent Settings > Production Agent. Then in the access tab, the prompt option can be defined.