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

Fix Microsoft Store Error 0x80072efd: Connection Refused

When you open Microsoft Store and see error 0x80072efd with the message "Connection refused," it ...

Fix Windows Activation 504 Gateway Timeout Error

You try to activate Windows, but get a '504 Gateway Timeout' error. This usually means the activa...

Fix Windows Defender Service Not Starting (Error 0x80070422)

You try to start Windows Defender but get error 0x80070422: “The service cannot be started, eithe...

Fix Outlook Email Sync Failed on Ubuntu

Outlook email sync fails on Ubuntu: what to check

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

Fix Windows Update Proxy Error on Windows 10

If you see a proxy error when running Windows Update on Windows 10, it usually means the system c...

Fix Windows Defender Threat Service Stopped Startup Type Error

If you open Windows Security and see a message that the threat service has stopped and the startu...