Knowledge base for software setup, errors, and daily tool work.

Fix VSCode Remote SSH Permission Denied (Public Key)

When connecting to a remote server via VSCode's Remote SSH extension, you may see the error 'Perm...

Microsoft Teams 404 Error: Causes and Fixes

When you see a 404 error in Microsoft Teams, it usually means the app can't find a specific resou...

OneDrive Sync Ubuntu: Setup Checklist for New Users

Before You Start

OneDrive doesn't have an official Linux client. Ubuntu users rely on the...

How to Fix Outlook Not Opening on Mac

If Outlook for Mac refuses to open—crashes on launch, shows a beachball, or simply disappears—you...

How to Add PowerShell to System PATH Variable in Windows

If you've installed PowerShell but can't launch it from a Command Prompt or another terminal with...

Windows Activation Cache: Location and How to Delete

If you're getting activation errors after a hardware change or a Windows update, a corrupted acti...