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

SSH Key Permissions and Ownership: A Troubleshooting Checklist

If you're seeing "Permissions 0644 for 'id_rsa' are too open" or "Bad owner or permissions" when ...

Fix OneDrive Sync Connection Refused on Windows 11

If you see "connection refused" when OneDrive tries to sync on Windows 11, the app can't reach Mi...

OneDrive Sync Dependency Conflict Checklist

If OneDrive stops syncing and you've tried the usual fixes—pausing sync, restarting the app, or r...

How to Fix Windows Update Proxy Error 0x800f0922

When you see error 0x800f0922 while running Windows Update, it usually means the update can't con...

OneDrive Sync Ubuntu: Setup Checklist for New Users

Before You Start

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

Fix Windows Defender Not Opening Error 404

You try to open Windows Defender and get an error 404 – the page or resource can't be found. This...