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

Fix 'Cannot Connect to Exchange Online' in PowerShell

When you run Connect-ExchangeOnline in PowerShell and get an error like "Cannot conn...

Fix Docker Container Restart Loop: Step-by-Step Guide

You start a Docker container, and it keeps restarting over and over. The status shows "Restarting...

Fix Command Prompt Sync Issue with System Clock

How to Fix Command Prompt SSL Certificate Error

When you see an SSL certificate error in Command Prompt, it usually means the system cannot verif...

Fix Windows Defender Proxy Error 0x80070422

If you see error 0x80070422 when opening Windows Defender or running a scan, it usually means the...

Fix Microsoft Teams DNS Error After Update

After a Microsoft Teams update, you may see a DNS error preventing sign-in or connection. This us...