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

Fix Nginx 404 Not Found After Changing Root Directory

After updating the root directive in your Nginx server block, you might start seeing...

Fix Windows Search Network Error and Sync Issues

If Windows Search shows a network error or won't sync, the search index might be corrupted, netwo...

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

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

Microsoft Teams 502 Bad Gateway Error: Troubleshooting Checklist

When you see a 502 Bad Gateway error in Microsoft Teams, it usually means the server received an ...

How to Fix Secure Connection Failed in Firefox

When Firefox shows 'Secure Connection Failed' and won't load a website, it usually means the brow...

Checklist for Analyzing Windows Security Log Entries

When you need to investigate suspicious activity or a system issue, the Windows Security log is y...