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

Fix Windows Search High Memory Usage in Windows 10

If your Windows 10 system feels sluggish and Task Manager shows SearchIndexer.exe using several h...

Fixing Nginx 404 Errors for API Endpoints

When your API returns a 404 error from Nginx but works locally, the problem is usually in the Ngi...

How to Fix Outlook Rate Limit Error in Office 365

Understanding the Error

You may see a message like "Too many requests" or "Server busy" ...

Fix Windows Activation Error 0x80072f8f (Network Issue)

When you try to activate Windows and see error 0x80072f8f, it usually means your PC can't reach M...

Ubuntu Windows Update Configuration Checklist

If you run Ubuntu alongside Windows in a dual-boot setup or use a virtual machine, you may need t...

Fixing Windows Defender Authentication Failed Permission Denied

You try to run a Windows Defender scan or update, but get an error like "Authentication f...