Fix Command Prompt Error 0xc0000142 on Windows - How to Resolve Authentication Failed in CMD-Windows Security Cache Full: Causes and Solutions

Updated 2026-06-18 12:14:25security-tools
Fix Command Prompt Error 0xc0000142 on Windows - How to Resolve Authentication Failed in CMD-Windows Security Cache Full: Causes and Solutions
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.