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

How to Fix Microsoft Teams Not Launching

If Microsoft Teams opens briefly then closes, or fails to start at all, the problem is often loca...

How to Bypass 502 Bad Gateway in PowerShell Script

When a PowerShell script hits a 502 Bad Gateway error from a web API or server, the script usuall...

Fix Outlook Authentication Error on Ubuntu

If you see "authentication failed" or "password incorrect" when trying to connect Outlook (Micros...

How to Fix Slow Windows Defender Scan Speed

If your Windows Defender (Microsoft Defender Antivirus) scan is taking much longer than usual—som...

Fix KMS Activation Error: Port 1688 Already in Use

Fix Windows Update Token Expired via Group Policy

When Windows Update fails with a "token expired" error, it often indicates a problem with the com...