How to Fix Cloudflare 521 Error with Firewall Settings
If you see a 521 Web Server Is Down error when visiting your site through Cloudf...
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Browse manualsHow to Fix Cloudflare 521 Error on Apache Servers
If you see a Cloudflare 521 error, it means Cloudflare’s network cannot reach your origin server....
Fix Windows Security App Blocked by Antivirus
You open Windows Security (formerly Windows Defender) only to see an error or blank screen becaus...
Windows Defender Real-Time Protection Keeps Turning Off: Fixes
You notice the Windows Security icon in the system tray shows a yellow warning. Opening it reveal...
Fix Windows Defender Error 0x800704ec: Real-Time Protection
If you see error code 0x800704ec when turning on Windows Defender real-time protection, the servi...
How to Disable Windows Search Indexing Temporarily
If Windows Search is using too much CPU or disk I/O, or you're troubleshooting search issues,...
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