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Windows Terminal Crash on Launch: How to Fix - How to Fix Ubuntu APT Lock Error by Removing /var/lib/apt/lists/lock-File Locked by Windows Defender: Troubleshooting Guide

Updated 2026-06-13 18:31:58developer-tools
Windows Terminal Crash on Launch: How to Fix - How to Fix Ubuntu APT Lock Error by Removing /var/lib/apt/lists/lock-File Locked by Windows Defender: Troubleshooting Guide
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.

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