Fix 'Could not get lock /var/lib/dpkg/lock' Error on Ubuntu/Debian
You try to install a package with apt or dpkg, and you get the error: Could not get lock /v...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Windows Security Blank Screen in Command Prompt
You open Windows Security from Command Prompt and see nothing but a blank window. This can happen...
Task Scheduler: schtasks Command Not Found Fix
When you run schtasks in Command Prompt and see 'schtasks' is not recognized a...
Fix Chrome Password Migration Permission Denied
When moving Chrome profiles or syncing passwords, you may see a 'permission denied' error. This u...
Fix Chrome ERR_TUNNEL_CONNECTION_FAILED Error
When you see "ERR_TUNNEL_CONNECTION_FAILED" in Chrome, it usually means your browser can't establ...
Windows Search Connection Timeout Checklist
If Windows Search frequently shows a connection timeout error, you're not alone. This checklist w...
Topic paths
Quick titles
How to Access Your Home PC RemotelyFix Windows Defender Firewall Blocking Internet ConnectionResolve Microsoft Store Permission Denied & 502 ErrorHow to Free an Allocated Port in PowerShellWindows Defender 404 in Group Policy FixOutlook Won’t Start After Windows Update – Quick FixesWindows Security for Mac: Troubleshooting ChecklistChrome DNS Error: Network Reset Guide