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

UFW Port Closed Despite Allow Rule: Fixes

You've added a UFW allow rule for a port, but a port scan or service test shows the port is still...

Fix PowerShell Permission Denied Error on Startup

Opening PowerShell and seeing a 'permission denied' error can stop you before you start. This usu...

PowerShell Path Not Found After Update: Fixes

After a Windows update, you might see "The term 'powershell' is not recognized as the name of a c...

Fix Windows Activation Key Not Recognized Error

You enter your Windows product key during installation or activation, and get an error that the k...

Chrome Extension Not Working After Update: Fixes

You update Chrome, and suddenly a favorite extension stops working—buttons missing, features gray...

Fix Chrome Profile Stuck Loading – Reset Profile Settings

Why Chrome Profile Gets Stuck Loading

You open Chrome, but instead of your bookmarks and ...