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 Chrome Failed to Start Due to Corrupted Profile
You click Chrome and nothing happens—or you see an error like "Your profile could not be opened c...
Fix Windows Search Returning 404 Not Found Error
When you search for a file or app in Windows and click a result, you may see a ‘404 Not Found’ er...
Fix OneDrive Repeated Credential Prompts
If OneDrive keeps asking you to sign in even after you've entered your credentials, it's usually ...
How to Break a PowerShell Login Loop
If PowerShell keeps opening and closing repeatedly when you log into Windows, you're stuck in a l...
Windows Store Error 0x80073cf9: How to Fix Installation Failures
You try to install or update an app from the Microsoft Store, but you get error 0x80073cf9. The a...
Topic paths
Quick titles
How to Fix Teams Self-Signed Certificate ErrorFix Remote Desktop Backup Restore Error 0x80070005Git Authentication Failed: Token Expired FixOutlook Timeout Error: Practical Troubleshooting GuideFix PowerShell Migration Sync ErrorsEnable Outlook Logging for TroubleshootingTroubleshooting 'No Matching Distribution Found' for requirements.txtWindows Update Error 0x800f0922: Backup Software Conflict Fix