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

DNS Probe Finished NXDOMAIN: Fix When ipconfig /flushdns Fails

You're browsing normally and suddenly Chrome shows "DNS_PROBE_FINISHED_NXDOMAIN". You...

How to Fix Cloudflare 521 Error (Port 443 Blocked)

When you see a Cloudflare 521 error, it means Cloudflare’s servers cannot connect to your origin ...

Fix Python UnicodeDecodeError in Socket Data

When working with Python sockets, you may encounter a UnicodeDecodeError while tryin...

Fix Windows Update Error 0x80070005 by Taking Ownership

What Causes Error 0x80070005?

This error usually means Windows Update doesn't have pe...

Fix VS Code Git Not Detecting Changes After .gitignore Update

After updating your .gitignore file, you might notice that VS Code's Git extensi...