How to Backup and Restore Files Using Command Prompt - Fix 'Service Not Found' Error for Task Scheduler on Ubuntu-Fix Docker Build Error: 'failed to solve: manifest not found'

Updated 2026-06-13 22:00:20developer-tools
How to Backup and Restore Files Using Command Prompt - Fix 'Service Not Found' Error for Task Scheduler on Ubuntu-Fix Docker Build Error: 'failed to solve: manifest not found'
Before changing system settings, save your work and note the exact error text so you can compare results after each step.

Extra verification checklist

  • Restart the affected app after changing permissions or configuration files.
  • Test the same workflow in a clean browser profile or a temporary user account.
  • Compare the result on another network if the error may be connection related.