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

Fix '7-Zip Cannot Open File as Archive' Error

When 7-Zip displays 'Cannot open file as archive', it usually means the program can't recognize t...

MongoDB Authentication Failed: Setup Guide and Fixes

If you're seeing 'Authentication failed' when trying to connect to MongoDB, you're not alone. Thi...

Microsoft Teams Rate Limit Error Troubleshooting Checklist

If you see errors like 429 Too Many Requests or Rate limit exceeded in ...

Fix Windows Activation 502 Bad Gateway Network Error

When activating Windows, you may see a "502 Bad Gateway" network error. This usually means the ac...

Windows Defender Failed to Start: Manual Malware Check Guide

If Windows Defender fails to start, you might see an error like "Windows Defender service won't s...

Fix PowerShell 404 Error When Using Invoke-WebRequest