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

Fix 'Port Already in Use' Error When No Process Shows

You try to launch Chrome or a Chrome-based tool (like Puppeteer, Selenium, or a local dev server)...

Fix Windows Update 404 Not Found Error: Practical Steps

When running Windows Update, you might see an error message like "404 Not Found" or code 0x802440...

Fix Microsoft Teams 404 Not Found Error When Loading Apps

You click an app in Microsoft Teams and see a '404 Not Found' page instead of the app loading. Th...

Remote Desktop Authentication Error: Quick Fixes

You try to connect to a remote PC, but instead of a desktop, you see an authentication error. Thi...

Fix 'Windows Activation Module Not Found' Error in Windows 10

If you see the error 'Windows Activation Module Not Found' when trying to activate Windows 10, th...

Fix Chrome Profile Stuck Loading – Reset Profile Settings

Why Chrome Profile Gets Stuck Loading

You open Chrome, but instead of your bookmarks and ...