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

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

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

Chrome Update Stuck at 100%? Quick Fixes That Work

You click 'Update' in Chrome, it reaches 100%—and stays there. The update never finishes, and you...

How to Fix Command Prompt Connection Refused Error

You type a command in Command Prompt to connect to a remote server or service, and instead of a s...

Chrome Profile SSL Certificate Error: Step-by-Step Fix

You open Chrome and see a warning like “NET::ERR_CERT_COMMON_NAME_INVALID” or “Your connection is...

Fix PowerShell Service Unavailable After Update

After a Windows update, you might see errors like "Service Unavailable" when trying to launch Pow...

Fix Windows Security Migration Not Working After Update

After a Windows update, you might find that Windows Security (formerly Windows Defender) fails to...