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

Fix Windows Defender Blocked by Third-Party Antivirus

You open Windows Security and see a yellow warning: "Real-time protection is off. Your device...

Fix Nginx Redirect Loop After SSL Certificate Install

You installed an SSL certificate, and now your site redirects in a loop. The browser shows 'E...

Fix Windows 11 Blue Screen After Update Using Compatibility Mode

You installed a Windows 11 update, rebooted, and hit a blue screen. This often happens when a dri...

Fix Nginx Upstream Connection Refused Socket Error