Checklists for software errors, setup, and tool workflows.

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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...

Fix Task Scheduler Authentication Failed: Scheduled Task Not Running
You set up a scheduled task in Windows Task Scheduler, but it never runs. You check the history a...

Fixing PowerShell Error 0x80070002: File Not Found
When PowerShell fails to start with error code 0x80070002, the system is reporting that a require...

Fix Chrome Extension Permission Denied on Mac
You try to install a Chrome extension on your Mac, but get a 'permission denied' error. Or maybe ...

Fix OneDrive Not Syncing After Windows 10 Update
After a Windows 10 update, OneDrive may stop syncing entirely or show errors like "Changes haven'...

Fix Chrome SSL Certificate Error NET::ERR_CERT_COMMON_NAME_INVALID
You're browsing a site and Chrome blocks it with NET::ERR_CERT_COMMON_NAME_INVALID. ...

Checklists for software errors, setup, and tool workflows.

Latest checklists

Fix 'Could not get lock /var/lib/dpkg/lock' Error on Ubuntu/Debian

Fix Task Scheduler Authentication Failed: Scheduled Task Not Running

Fixing PowerShell Error 0x80070002: File Not Found

Fix Chrome Extension Permission Denied on Mac

Fix OneDrive Not Syncing After Windows 10 Update

Fix Chrome SSL Certificate Error NET::ERR_CERT_COMMON_NAME_INVALID

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