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

Fix Chrome Profile Dependency Conflict Error 0x80070057

When Chrome shows error 0x80070057, it usually means a profile dependency conflict – often after ...

Fix Windows Activation 502 Bad Gateway After Upgrade

After a Windows upgrade, you might see a '502 Bad Gateway' error when trying to activate. This us...

PowerShell on Ubuntu 22.04: Setup Checklist

If you're setting up PowerShell on Ubuntu 22.04, you might hit errors like 'command not found' or...

Using Google DNS to Fix Windows Activation Error

If you're seeing a Windows activation error that says something like "We can't activate Windows o...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

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

Fix PowerShell Connection Refused on Localhost

When you run a PowerShell command to connect to a service on localhost and get a 'connection refu...