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

Fix Cloudflare Error 521 After a Server Update

If you see Cloudflare error 521 after updating your server, the origin web server is refusing the...

Fix Cloudflare Wildcard Subdomain and Root Domain Conflict

If you use a wildcard DNS record (e.g., *.example.com) on Cloudflare, you may run in...

Reset Network Settings in Windows 11 When You Have No Internet

If you're reading this, you probably can't get online in Windows 11. The network icon in ...

Fix Windows Update Error 0x80070005 by Taking Ownership

What Causes Error 0x80070005?

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

Git Merge vs Rebase Conflicts: Key Differences and Fixes

When you work with Git, you'll eventually hit a conflict during a merge or rebase. The confli...

Python Virtual Environment Not Activating After Install: Fixes

You installed a Python virtual environment with python -m venv myenv, but when you t...