Xem thêm

Task Scheduler Errors: Troubleshooting and Solutions

Introduction Have you ever encountered errors while using the Task Scheduler? This article aims to explore common Task Scheduler errors and provide solutions to help you resolve them. One specific error we will focus on...

Introduction

Have you ever encountered errors while using the Task Scheduler? This article aims to explore common Task Scheduler errors and provide solutions to help you resolve them. One specific error we will focus on is "An error has occurred for the task". There are several sub-errors related to this message, and we will address each one individually.

Task Scheduler An error has occurred for the task [Fix]

An error has occurred for the task: One or more of the specified arguments are invalid

When encountering this error, it means that the arguments specified for a particular task are invalid. These arguments provide additional information or parameters necessary for the task to execute successfully.

Possible Causes:

  • Wrong task configuration: Mistakes made during task configuration, such as typos or incorrect paths for programs or scripts, can lead to this error.
  • Insufficient permissions: If the account running the task does not have sufficient rights or privileges to access the specific resources mentioned in the task arguments, this error may occur.

To resolve this error, follow these steps:

1] Check task parameters

  • Open the Task Scheduler by typing taskschd.msc in the Run dialogue box.
  • Right-click on the task and click on Properties.

Right-click on Task in Task Scheduler

  • Check the Triggers, Actions, or Conditions Tab for any incorrect entries and click Edit to make changes.

Task Properties Task Scheduler

2] Assign relevant permissions

Since insufficient permissions can cause this error, changing to a User or Group with admin rights for executing the tasks can help resolve the issue. If your PC is part of a domain, follow these steps:

  • Open the Task Scheduler and select the relevant task.
  • Right-click on the task to open its Properties.
  • Click on the General Tab under the Task.
  • Select Change User or Group under the Security Options section.

Change User Group Task Scheduler

  • Click Advanced > Find Now and search for users within the domain with admin rights.
  • Select the User or Group and click OK.

Also, check the option that reads Run whether user is logged in or not. Restart your PC and check if the error persists.

An error has occurred for the task: The specified account name is not valid

This error occurs when there is an execution error for a particular task due to user account-related issues.

Possible Causes:

  • Incorrect or non-existent user account info: Misspelled user account details or incorrectly formatted account information can be a prime cause of this error.
  • Insufficient account privileges: If the user account lacks the necessary permissions to execute tasks or access required resources, this error may appear.

To resolve this error, follow these steps:

1] Verify user account details

Since incorrect user account details might be the cause of the error, recheck the account details and review the user's privileges concerning task creation or modification.

2] Run the Task Scheduler as an administrator

If verifying the user account details doesn't fix the error, try running the Task Scheduler as an administrator to create and modify tasks.

For creating tasks:

If the error occurs while creating a task, try logging in with an alternate account with admin privileges and create the task.

For modifying tasks:

If the error occurs while modifying a task, right-click on the task and select Properties. Under the General > Change User or Group section, switch to a user with admin rights. Check if the error persists after entering the new user details.

3] Use Domain Path while specifying Username

Open the Task Scheduler and right-click on the specific task. Select and open its Properties.

Click on Change User or Group under the General Tab of the task. Click the Advanced button to check for available usernames before selecting the concerned user. The correct username format, including the domain name, should appear automatically.

Add Admin to Task in Task Scheduler

Click Apply and then OK to save the changes. Check if the error persists. If your PC is not part of any domain, enter the local username with admin rights under Change User or Group.

4] Assign necessary permissions to the task

If the error still occurs, it might be due to insufficient permissions at the user or group level. Changing the group to one with higher permission levels can help resolve the error. Follow the steps mentioned earlier.

An error has occurred for the task: The selected task {0} no longer exists

This error occurs when the Task Scheduler fails to run a particular task, indicating that the Task ID or name is no longer valid.

Possible Causes:

  • Deleted or corrupted Task: If the task has been deleted or corrupted, the Task Scheduler database might display incorrect information about the task.
  • Misconfigured Triggers or Dependencies: Incorrectly set triggers or improperly configured dependencies can cause this error during task execution.

To resolve this error, follow these steps:

1] Delete corrupted Task

From Task Scheduler:

  • Open the Task Scheduler.
  • Right-click on the relevant task and click Delete.

From Registry:

  • Open the Registry Editor by typing regedit in the Run Dialogue box.
  • Navigate to HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsNTCurrentVersionScheduleTaskCacheTree.
  • Expand the Tree subkey and click on Task Folder.
  • Right-click the concerned task folder and click Delete to remove the task.

Registry Task Folder Deletion

From File Explorer:

  • Open File Explorer by pressing the Windows + E keys together.
  • Navigate to the Task Folder through C: WindowsSystem32TasksMicrosoftWindows.
  • Delete the individual task folders causing the error.

2] Restart the Task Scheduler application or service

The error might affect multiple tasks in the Scheduler. Closing the Task Scheduler application or restarting the Task Scheduler service can clear out the task causing the problem. Once cleared, you can set the task again without encountering the error.

Note: Restarting the service reinitializes the task components in the scheduler application and the registry, helping the tasks to synchronize.

An error has occurred for the task: A task or folder with this name already exists

This error occurs when trying to save a task through the command line or Task Scheduler, and it warns that a task with the same name already exists.

Possible Causes:

  • Name Conflicts: The task or folder name is already used within the Task Scheduler.
  • Corrupted Transaction Logs: Corruption of the transaction log files can cause problems.

To resolve this error, follow these steps:

1] Check Task names beforehand

Before naming a task during its creation, check the names of existing tasks to avoid conflicts due to duplicate task names. Consider naming new tasks differently or deleting existing ones to avoid the error.

2] Repair Transaction Logs

The transaction or event log records the history of scheduled tasks in Windows. If the transaction log is corrupted, it can cause naming conflicts for tasks created in the Scheduler. To resolve this:

  • Open the Windows Terminal as an Administrator.
  • Type the following command on the Terminal prompt:
fsutil resource setautoreset true c:

This command resets the transaction log for Windows and its system components, resolving naming conflicts.

How do I see failed tasks in Task Scheduler?

To check for failed tasks, you can look at the Event Viewer on your computer. Inside the Event Viewer, find the Task Scheduler section under Microsoft Windows logs. Look for events with a red exclamation mark or indicating that something went wrong. These events can provide insights into why a task failed and help determine the cause of the problem.

How do I enable Task Scheduler logs?

To enable Task Scheduler logs:

  • Open Event Viewer.
  • Navigate to Task Scheduler under Applications and Services Logs in the left panel.
  • Right-click and enable the Operational log, which records Task Scheduler events.
  • Adjust log settings if needed by right-clicking Operational and selecting Properties.

By following these troubleshooting steps and solutions, you can overcome common Task Scheduler errors and ensure smooth task execution.

1