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Home / developer-tools / Fix Windows Defender SSL Certificate Sync Errors - Fix 'Could not get lock /var/lib/dpkg/lock' Error on Ubuntu/Debian-Windows Task Scheduler Tasks Gone: Troubleshooting Steps

Fix Windows Defender SSL Certificate Sync Errors - Fix 'Could not get lock /var/lib/dpkg/lock' Error on Ubuntu/Debian-Windows Task Scheduler Tasks Gone: Troubleshooting Steps

Updated 2026-06-13 19:31:00developer-tools
Fix Windows Defender SSL Certificate Sync Errors - Fix 'Could not get lock /var/lib/dpkg/lock' Error on Ubuntu/Debian-Windows Task Scheduler Tasks Gone: Troubleshooting Steps
Likely symptom
Likely cause
Safe rollback

Verification route

  • Repeat the original action, not only a simplified test case.
  • Restart the app or reload the service after configuration changes.