Error: Task Scheduler cannot apply your changes.The user account is unknown, the password is incorrect,or the account does not have permission to modify the task.

Solution:

  • Owner of the task might not have sufficient right to execute the task. Try to run the task using an id with administrator privilege or run it as an administrator.
  • Check and verify the user id & password. In some cases, long password was the issue, shorten the password and try.
  • Disable the Antivirus for some time and execute the task.