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

Fix Port Already Allocated Error in Microsoft Store on Windows 10

When you see 'port already allocated' while using the Microsoft Store on Windows 10, it usually m...

Checklist for Troubleshooting Windows Search Issues

Windows Search can stop working for many reasons—results don't appear, search uses high CPU, or i...

Fix Windows Defender Firewall Network Error in Windows 11

If you see a network error related to Windows Defender Firewall in Windows 11, it usually means t...

Fix Windows Update Stuck on Login Screen: Practical Steps

You restart your PC after a Windows update, and you're stuck at the login screen. The spinning do...

Fix PowerShell Authentication Failed Credentials Error

Fix PostgreSQL Connection Refused Due to pg_hba.conf

When a client gets 'connection refused' from PostgreSQL, the first thing to check is the pg...