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

Fix Windows Defender Connection Refused Error 0x80070005

When you open Windows Defender (Microsoft Defender Antivirus) and see a connection refused error ...

Command Prompt Connection Error Troubleshooting Guide

Fix Windows Update High CPU Usage with These Tools

If your computer slows down and the CPU usage spikes after starting Windows Update, you're not al...

How to Enable Windows Security Backup Automatic Restore

If you've configured Windows Security Backup but find that automatic restore isn't kicking in aft...

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...

Fix Windows Activation High CPU Usage After Update

After a Windows update, some users notice that the System process or a service called sppsvc.exe ...