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

How to Fix Cloudflare Error 521: Web Server Down

Cloudflare error 521 means your origin web server is refusing or unable to accept connections fro...

Fix Windows Search Returning 404 Not Found Error

When you search for a file or app in Windows and click a result, you may see a ‘404 Not Found’ er...

Fix 'Permission Denied' in VS Code Terminal on Ubuntu

You're working in the VS Code integrated terminal on Ubuntu, and when you try to run a command li...

Fix Outlook Email Sync Failed on Ubuntu

Outlook email sync fails on Ubuntu: what to check

If Outlook (via web browser, Evolution,...

How to Set Up Command Prompt to Auto Start in Windows 10

If you frequently use Command Prompt for scripting or system tasks, having it launch automaticall...

How to Enable Windows Defender in Windows 10

If you're seeing a warning that Windows Defender is turned off, or you can't access its settings,...