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 Defender Antivirus Slowing Down Your PC
If your computer feels sluggish after a Windows update or suddenly lags during file operations, W...
Fix Remote Desktop Version Mismatch (RDP 8.0)
When connecting to a remote desktop, you might see an error like “The remote computer req...
Chrome High Memory Usage Troubleshooting Checklist
You open Task Manager and see Chrome eating multiple gigabytes of RAM. Tabs feel sluggish, your s...
Fix Windows Security Proxy Error After Update
After a Windows update, you might see a proxy error in Windows Security (formerly Windows Defende...
Fix Outlook Not Starting Automatically on Windows 10
You set Outlook to open when Windows starts, but it doesn't. This is a common frustration. The fi...
Topic paths
Quick titles
How to Turn On Outlook LogsWindows Update Triggered BitLocker Recovery Key: SolutionsFix "Access Denied" Error When Chrome Extension Not WorkingFix Windows Defender Permission Denied on ScanHow to Resolve Pip Install NumPy No Matching DistributionHow to Resolve Defender Token Expired ErrorOneDrive Proxy Error After Windows Update FixChrome Connection Timeout Error Fix