Software⏱️ 4 min read📅 2026-06-11

How to Fix: Windows 10 Task Scheduler error "XML contains a value which is incorrectly formatted"

Windows 10 Task Scheduler error XML formatting issue.

Quick Answer: Edit the task in the Task Editor, and then re-save it to fix the XML formatting error.

📋 Table of Contents

  1. 🔍 Why This Happens
  2. ✅ Best Solutions to Fix It
  3. 🎯 Final Words

The 'XML contains a value which is incorrectly formatted' error in Windows 10 Task Scheduler occurs when attempting to edit a previously existing task. This issue affects users who have upgraded to Windows 10 and are trying to modify tasks that were created before the upgrade.

This error can be frustrating for users, especially if they rely on Task Scheduler for automating tasks or reminders. However, by following the steps outlined below, you should be able to resolve this issue and continue using Task Scheduler without any problems.

🔍 Why This Happens

  • The primary reason for this error is a change in the XML format used by Windows 10 Task Scheduler compared to previous versions of Windows. The new format requires specific formatting and structure that may not be present in older tasks.
  • Another possible cause is a corrupted or invalid task XML file, which can lead to incorrect formatting and errors when attempting to edit tasks.

✅ Best Solutions to Fix It

Manually editing the task XML file

  1. Step 1: Open Notepad or any other text editor of your choice.
  2. Step 2: Navigate to the location where the Task Scheduler task is stored (usually in %USERPROFILE%/appdata oaming ask scheduler).
  3. Step 3: Find the existing task that you want to edit and locate its XML file.
  4. Step 4: Manually edit the XML file using Notepad or another text editor, making sure to follow the correct formatting and structure as described in the Task Scheduler documentation.
  5. Step 5: Save the changes to the XML file and then re-run the Task Scheduler to apply the changes.

Using the Task Scheduler Editor

  1. Step 1: Open Task Scheduler.
  2. Step 2: Navigate to the 'Tasks' folder where your existing task is stored.
  3. Step 3: Right-click on the task and select 'Edit' or press Ctrl+Shift+E.
  4. Step 4: In the 'Task Editor', click on the 'XML' tab and then click on the 'Edit XML' button.
  5. Step 5: Manually edit the XML file using the Task Scheduler Editor, making sure to follow the correct formatting and structure as described in the Task Scheduler documentation.
  6. Step 6: Click 'OK' to save the changes and then re-run the Task Scheduler to apply the changes.

🎯 Final Words

By following one of the methods outlined above, you should be able to resolve the 'XML contains a value which is incorrectly formatted' error in Windows 10 Task Scheduler. If you continue to experience issues, it may be helpful to seek further assistance from Microsoft support or a qualified IT professional.

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