Checklists for software errors, setup, and tool workflows.

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Fix PowerShell Not Launching from Start Menu

When you click PowerShell in the Start Menu and nothing happens, or it flashes and closes, it's u...

Fix OneDrive Sync Pending Permission Denied Errors

If OneDrive shows files or folders as 'Sync pending' with a 'Permission denied' error, it usually...

Fix 'Microsoft Teams Proxy Authentication Required' Error

You open Microsoft Teams and instead of your chat list, you see a message: "Proxy authentication ...

Fix 'File Locked by System Process' in Windows 10 Search

When you search for a file in Windows 10 and get an error that the file is locked by a system pro...

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 Windows Defender Service Missing After Antivirus Uninstall
After uninstalling a third-party antivirus program, some users find that Windows Defender is miss...