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

Fix Cloudflare Wildcard Subdomain Not Working

If you've set up a wildcard DNS record in Cloudflare (e.g., *.example.com) but s...

Fix PowerShell Execution Policy Restricted in VS Code

When you try to run a PowerShell script in the Visual Studio Code integrated terminal and see an ...

Fix Windows Update Error 0x800f081f After Update

If you see error 0x800f081f after a Windows update, the installation likely failed because requir...

Git Push Rejected Non Fast Forward: Troubleshooting Checklist

Windows 11 Update Failed Blue Screen Rollback Fix

You start your PC after a Windows 11 update and get a blue screen, then it rolls back. This artic...

Python Virtual Environment Not Activating: Common Fixes

You run source venv/bin/activate (or venv\Scripts\activate on Windows) ...