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

Fix Windows Security Certificate Error in Outlook 365

You open Outlook 365 and see a security certificate warning: "There is a problem with the proxy s...

How to Fix PostgreSQL Password Authentication Failed Error

If you're seeing FATAL: password authentication failed for user when connecting to P...

Fix KMS Activation Error: Port 1688 Already in Use

Fix Windows Update Rate Limit Error and Sync Issues

You might see a rate limit error or sync issue in Windows Update when the update service temporar...

Fix 'Access Denied' Windows Update Errors via Group Policy

You click "Check for updates" and get an "Access Denied" message. This often happens because a Gr...

How to Run Microsoft Store Apps on Ubuntu

If you're trying to run a Microsoft Store app on Ubuntu, you've likely hit a wall. Most Store app...