Windows Defender Setup Checklist for New PC
When you set up a new PC, Windows Defender (now called Microsoft Defender Antivirus) is already a...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listHow to Set Up Certbot with Nginx on Ubuntu 22.04
If you're running Nginx on Ubuntu 22.04 and need a free SSL certificate, Certbot with the Nginx p...
How to Fix DNS Errors When Searching in Windows 10
If you get a DNS error when searching in Windows 10—like "DNS server not responding" or "Server D...
Chrome Cannot Connect to localhost: Common Fixes
You try to open http://localhost in Chrome and get an error like 'This site can’t be reached' or ...
Systemd Service Setup Checklist for Beginners
You've written a script and want it to run as a background service. Systemd is the modern way to ...
Fix Windows Defender Error 0x80070643 on macOS
If you see error 0x80070643 when installing or updating Windows Defender on a Mac (via Parallels,...
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