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

Microsoft Store Not Opening in Windows 10: Practical Fixes

If you click the Microsoft Store icon and nothing happens—no window, no error—you're not alone. T...

Windows Defender Real-Time Protection Won't Turn On: Fixes

You open Windows Security, toggle real-time protection on, but it slides back to off. This is a c...

Command Prompt 504 Gateway Timeout Troubleshooting Checklist

If you're getting a 504 Gateway Timeout error while browsing or using a web service, it usually m...

Fix Task Scheduler Error 0x80070005: Access Denied

If you see error 0x80070005 when running a scheduled task, it usually means the task doesn't have...

Command Prompt Dependency Conflict Troubleshooting Checklist

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)...