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

Fix Microsoft Teams Mic Not Working with External Microphone

You plug in an external microphone, but Microsoft Teams still won't pick up your voice. This is a...

How to Bypass Proxy for Windows Activation

Windows activation often fails when a proxy server is blocking the connection to Microsoft's acti...

Fix Windows Security Certificate Error in Outlook 365

You open Outlook 365 and see a security certificate warning: "There is a problem with the proxy s...

Fix Docker Login Access Denied for Registry Authentication

When you run docker login and get an access denied error, it usually me...

Fix kubectl apply Forbidden on GKE

Fix Windows Certificate Error 0x800b0109

When you see error code 0x800b0109 in Windows, it means the operating system cannot verify a digi...