Practical software fixes, setup guides, and tool workflows.

Fix Windows Update Error 0x80070005 by Taking Ownership

What Causes Error 0x80070005?

This error usually means Windows Update doesn't have pe...

Fix 'port already allocated' for Nginx in Docker Compose

You're starting your Docker Compose setup with Nginx, and you see "port is already alloca...

Cloudflare Origin Certificate Setup Checklist

You've set up Cloudflare but your origin server still shows SSL errors or mixed content warni...

Fix Nginx Upstream Connection Refused Error

When Nginx returns upstream connection refused in your error logs, it means Nginx tr...

Fix Windows 11 Update Stuck at 0% with Low Disk Space

You're trying to install a Windows 11 update, but it's stuck at 0% for a long time. One f...

Windows 11 Installation Assistant Stuck at 99%: Fixes That Work

You’re upgrading to Windows 11 via the Installation Assistant, and it gets stuck at 99%. The prog...