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

Fix Windows Defender Connection Refused on Windows 10

When you see "connection refused" while using Windows Defender on Windows 10, it usually means th...

Fix Remote Desktop 404 Not Found After Windows Update

After a recent Windows update, you might see a '404 Not Found' error when trying to connect to a ...

Cloudflare 522 Error: How to Fix Firewall-Caused Connection Timeouts

If you see a Cloudflare 522 error, it means Cloudflare connected to your origin server but the se...

Fix 'Access Denied' Error When Using Net User in Command Prompt

When you run the net user command in Command Prompt and see an 'Access Denied' messa...

Fix Windows Security Login Loop with Permission Denied Error

You enter your credentials, the screen flashes, and you're back at the login prompt. Sometimes yo...

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

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