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

How to Fix Windows Search Authentication Failed by Setting Correct Credentials

If you see an "authentication failed" error in Windows Search, it usually means the service can't...

Fix Windows Security Login Loop with Permission Denied Error

You enter your credentials, the screen flashes, and you're back at the login prompt. Sometimes yo...

Fix Microsoft Teams Connection Refused by Proxy Server

When Microsoft Teams shows a 'connection refused' error and mentions a proxy server, it usually m...

How to Fix Windows Security Dependency Conflicts That Break Sync

You might see sync errors like 'dependency service or group failed to start' or 'Windows Security...

Fix Windows Activation Error: DNS Name Does Not Exist

When you try to activate Windows and see an error that the DNS name does not exist, it usually me...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

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