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

Fix Microsoft Store Blank Screen on Windows 11

If you open the Microsoft Store on Windows 11 and see nothing but a white or gray screen, the app...

Microsoft Teams Reset Settings: Step-by-Step Troubleshooting Checklist

If Teams is acting up—crashes, login loops, or settings that won't stick—a full reset often helps...

Fix Microsoft Teams 504 Gateway Timeout Sync Issues

You're working in Microsoft Teams and suddenly sync stops, showing a 504 Gateway Timeout error. T...

Fix Remote Desktop Certificate Error 0x80090322

When connecting to a remote desktop, you might see error 0x80090322. This usually appears as a me...

How to Fix '404 Not Found' Error in Windows Command Prompt