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

How to Fix Microsoft Teams Connection Refused Error

When Microsoft Teams shows a 'connection refused' error, you can't sign in or use the app. This u...

Fix PowerShell SQL Server Permission Denied Error

When you run a PowerShell script to connect to SQL Server and get a 'permission denied' error, it...

How to Fix Windows Update Error 0x80070005 Access Denied

When you see Windows Update error 0x80070005 with the message "Access Denied," it us...

Fix PowerShell Assembly Cache Not Updating

You’ve updated a .NET assembly in the Global Assembly Cache (GAC) or copied a new DLL into a modu...

How to Reinstall Windows Search Feature (Step-by-Step)

If Windows Search stops working—no results, missing files, or high CPU usage—reinstalling the fea...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

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