Software comparisons, alternatives, and tool decision notes.

Fix Chrome Proxy Server Not Responding for a Profile

If Chrome shows 'proxy server not responding' only when you're using a particular profile, the pr...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

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

Fix Windows Defender Real-Time Protection Access Denied

You try to turn on Windows Defender real-time protection but get an 'access denied' message. This...

How to Restore Windows Search Settings from Backup

If Windows Search stops working correctly—missing files, slow indexing, or wrong results—restorin...

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED Proxy Error

When Chrome shows ERR_TUNNEL_CONNECTION_FAILED, it usually means a proxy connect...

WSL Ubuntu Network Configuration Checklist

If you're running Ubuntu under WSL and network connections are failing—slow DNS lookups, no inter...