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 High CPU Usage from Windows Activation Failure

You might notice your PC fan running loud or sluggish performance after a Windows update or hardw...

How to Manually Turn On Windows Search Service

If Windows Search stops working—files don't appear in Start menu search, File Explorer search han...

Fix Windows Update 504 Gateway Timeout Error

Seeing a 504 Gateway Timeout error when running Windows Update can be frustrating. This usually m...

Windows Activation Error Troubleshooting Checklist: Step-by-Step

Common Activation Error Types

Windows activation errors usually appear as a watermark on ...

Fix Chrome Profile Authentication Failed on Windows 10

You open Chrome on your Windows 10 PC and get an error saying "Profile authentication failed." Th...