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Fix 'Could not get lock /var/lib/dpkg/lock' Error on Ubuntu/Debian - Troubleshooting Windows Update Stuck on Checking for Updates-Windows Update Not Working? Fix High CPU Usage

2026-06-13 15:06:57
Fix 'Could not get lock /var/lib/dpkg/lock' Error on Ubuntu/Debian - Troubleshooting Windows Update Stuck on Checking for Updates-Windows Update Not Working? Fix High CPU Usage

Result check

  • Keep one change per test run so you know which step helped.
  • Undo temporary changes after the issue is confirmed.