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...

How to Start the Windows Update Service When It Stops

If Windows Update isn't working, the first thing to check is whether the Windows Update service i...

Fix Windows Activation Not Working After Update

After a Windows update, you might see an activation error or a watermark saying your copy isn't g...

Fixing PowerShell DNS Errors After a Windows Update

After a recent Windows update, you may see errors in PowerShell related to DNS resolution—things ...

Fix Microsoft Teams Login Loop Error: Step-by-Step

You sign in to Microsoft Teams, the window flashes or restarts, and you're back at the login scre...

Enable Windows Security Manually When It Fails to Start

If Windows Security (formerly Windows Defender) fails to start, you may see an error like "This a...