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

PowerShell High CPU Usage: Setup and Optimization Guide

You launch PowerShell and notice your CPU usage spikes to 80% or more, even when you're not runni...

Fix Microsoft Teams Authentication Loop Issue

You sign in to Microsoft Teams, but instead of loading, it keeps prompting you to sign in again. ...

How to Reduce Windows Security Memory Usage

Windows Security (formerly Windows Defender) can sometimes use more memory than expected, especia...

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

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

Nginx 502 Bad Gateway: A Practical Troubleshooting Guide

Seeing a 502 Bad Gateway from Nginx usually means the upstream server (like PHP-FPM, uWSGI, or a ...

Microsoft Teams DNS Error Fix Checklist

If Microsoft Teams fails to connect with a DNS error—often showing "Can't connect" or "Something ...