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

Windows Defender Troubleshooting Guide for IT Admins

Windows Defender (Microsoft Defender Antivirus) is the default endpoint protection in Windows 10 ...

OneDrive Sync Configuration for Proxy Servers

If OneDrive won't sync at work or behind a corporate firewall, the proxy server is often the culp...

Fix PowerShell Invalid Configuration After Update

After a Windows or PowerShell update, you may see errors like “Invalid configuration” or “Configu...

Fix Windows Defender Service Not Starting (Connection Refused)

When you see 'Windows Defender service not starting – connection refused', it usually means the s...

Fix 'PowerShell Not Recognized as Internal or External Command'