This article describe the issue when you not able to save schedule in DB Schedule with the error "Access Is Denied"
DB Scheduler will fail to save if current logged in user has no administrator role
Below is the sample screenshot of the error you may encouter when saving backup schedule.
You may try to:
1) Login with user account who has local pc's administrator role and run the DB Schduler again.
2) Right-Click on the optimum shortcut and select "Run as administratror" to run the program as administrator, as shown below