Cloudflare Error 521: Web Server Is Down Checklist
If you see Cloudflare error 521 (web server is down), it means Cloudflare cannot establish a TCP ...
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All notesFix Microsoft Teams 404 Not Found Error When Loading Apps
You click an app in Microsoft Teams and see a '404 Not Found' page instead of the app loading. Th...
How to Fix Windows Defender Not Turning On
Windows Defender (now called Microsoft Defender Antivirus) sometimes refuses to turn on or stay o...
Windows Security Access Denied Troubleshooting Checklist
You try to open a file or run a program, and Windows tells you access is denied. This usually com...
Fix pgAdmin Cannot Connect to PostgreSQL on Localhost
You launch pgAdmin, try to connect to your local PostgreSQL server, and get an error like "could ...
Fix Cloudflare DNS Not Working with VPN Connection
If you use Cloudflare DNS (1.1.1.1) and a VPN together, you may hit a snag where DNS stops resolv...
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