Checklists for software errors, setup, and tool workflows.

How to Fix Nginx 404 Not Found with try_files Directive

You've set up your Nginx server block, but visiting your site returns a 404 Not Found error. The ...

Chrome Browser Black Screen Issue: Practical Fixes

If Chrome shows a black screen but audio plays or tabs are visible, the issue is often software-r...

BitLocker Network Unlock Troubleshooting Checklist

BitLocker Network Unlock allows domain-joined systems to automatically unlock the system drive at...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

If you're dual-booting Windows and Ubuntu, or replacing Windows...

Fix Command Prompt Proxy Settings 502 Bad Gateway

If you see a 502 bad gateway error when using command prompt tools like curl, npm, or git, the pr...

Fix Windows Search High CPU Usage by Rebuilding Index

If your PC fan is spinning up and Task Manager shows SearchIndexer.exe using high CPU, the search...