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

How to Fix Microsoft Teams High Memory Usage on Windows 10

You open Task Manager and see Microsoft Teams using 800 MB or more of RAM. Over time, it can clim...

Fix Windows Defender Token Expired Error After Reinstall

After reinstalling Windows or your security software, you might see a “token expired” error in Wi...

Nginx 404 Not Found Troubleshooting Checklist

When nginx returns a 404 Not Found error, it means the server is running but cannot locate the re...

Fix Task Scheduler Authentication Failed on Windows 10

If you see 'Task Scheduler authentication failed' when running a scheduled task, it usually means...

Fix Windows Security Authentication Error 0x80070035

How to Run Command Prompt as Administrator

Many Windows commands require administrator privileges. If you try to run a command that needs el...