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

SSH Permission Denied (Publickey) on EC2: Setup Fixes

If you're seeing "Permission denied (publickey)" when trying to SSH into an AWS EC2 instance, the...

Fix Windows Update 502 Bad Gateway After Update

After installing a Windows update, you might encounter a 502 Bad Gateway error when trying to use...

OneDrive Invalid Configuration Sync Issue Fix

Understanding the Problem

You open OneDrive and see an error like "Invalid configuration"...

Fix Windows Search After Disabling Cortana

If you've disabled Cortana and find that Windows Search no longer returns results or runs slowly,...

Fix Chrome Service Unavailable Error Code

You open Chrome and see an error message like "Service unavailable" or a specific error code (e.g...

How to Set Up Remote Desktop for Your Home Network

You want to access your home PC from another device on the same network, or from outside your hom...