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

Python Requests: Connection Timeout vs Read Timeout

When using the Python requests library, you might encounter situations where a reque...

Add Python to PATH on Windows 10 When 'Command Not Found'

After installing Python on Windows 10, typing python in Command Prompt may give you ...

How to Reinstall Windows Security App (Microsoft Defender)

If the Windows Security app (Microsoft Defender) is missing, crashing, or not opening, reinstalli...

Fix Cloudflare 521 Error Due to Server Overload

You see a Cloudflare 521 error page. The message says the web server is down. Often, this means y...

Fix DNS Probe Finished NXDOMAIN Caused by Antivirus Blocking

You try to load a website and see DNS_PROBE_FINISHED_NXDOMAIN in Chrome, or simi...

Git Push Rejected Non Fast Forward: How to Fix