Checklists for software errors, setup, and tool workflows.

How to Fix PostgreSQL Password Authentication Failed for User

You see psql: error: FATAL: password authentication failed for user "youruser" when ...

Fix OneDrive Sync Error 0x8004de40

OneDrive sync error 0x8004de40 typically appears when you try to start or resume syncing. The err...

Fix Windows Update Auto Start Not Working After Update

After a recent Windows update, you might notice that Windows Update no longer starts automaticall...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

If you're dual-booting Windows and Ubuntu, or replacing Windows...

Fix Windows Defender Update Error 0x80240016

If you see error 0x80240016 when updating Windows Defender, it usually means Windows Update or De...

Fix Chrome Not Working with Proxy on Ubuntu

You configured a proxy in Ubuntu, but Chrome ignores it or throws connection errors. This often h...