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

How to Create a New Branch from a Detached HEAD in Git

If you see a message like "You are in 'detached HEAD' state" in Git, it means you...

Windows 11 Wi-Fi Connected but No Internet: Step-by-Step Fix

You're connected to Wi-Fi, but websites won't load and apps show no internet. This is a c...

Remote Desktop Connection Failed Due to Expired Password: How to Fix

You try to connect to a remote Windows PC via Remote Desktop (RDP) and get an error like “Your pa...

How to Fix Windows Remote Desktop Not Working After an Update

After a Windows update, you might find that Remote Desktop (RDP) no longer connects. This is a co...

Fix Windows Update Error 0x80070005: Cannot Install Updates

You try to install Windows updates but get error 0x80070005 with the message "Cannot install ...

Fix Nginx Upstream Connection Refused in Proxy Pass