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

Fix DNS Probe Finished NXDOMAIN Caused by Antivirus Blocking

You try to load a website and see DNS_PROBE_FINISHED_NXDOMAIN in Chrome, or simi...

Fix Windows Update Error 0x80070005 (Service Not Starting)

When Windows Update fails with error 0x80070005, the underlying message often points to a service...

Fix Cloudflare 522 Error with Nginx Configuration

You're seeing a Cloudflare 522 error: connection timed out between Cloudflare and your origin...

Fix Windows Defender Real-Time Protection Not Running

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

Fix Nginx Permission Denied for Static Files

Common Causes

When Nginx returns a 403 Forbidden or 'permission denied' error for...

Checklist for Fixing Shared Folder Access in Windows

When you can't access a shared folder on Windows, the problem usually comes down to permissio...