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

Fix PostgreSQL Connection Refused on Port 5432

When you see psql: error: connection to server at ... failed: Connection refused on ...

Fix Microsoft Teams File Locked After Upload

You upload a file to a Teams channel chat or a Files tab, then see a message that the file is loc...

OneDrive Sync Setup: Correct Folder Configuration Guide

When you first install OneDrive, syncing your folders seems straightforward. But many users end u...

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

You notice Outlook consuming 50% or more CPU, making your syste...

How to Fix Windows Update Connection Refused by Antivirus

You click Check for updates in Windows, and instead of progress, you see an error like "Connectio...

Fix Windows Update Access Denied: Run as Administrator

You click 'Check for updates' in Windows Update, and instead of progress, you see an 'Access Deni...