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

Fix Windows Security Locking Files as Antivirus Threats

You open a file you've used for months, and Windows Security blocks it, claiming it's infected. O...

Fix Windows Security Connection Refused Service Not Running

If you see 'Connection refused' or 'Service not running' when opening Windows Security, the under...

How to Fix Microsoft Store Error 0x80073cf0

You open Microsoft Store to download or update an app, and instead get error code 0x80073cf0. Thi...

How to Enable Remote Desktop in Windows Firewall

If you're trying to connect to a Windows PC remotely but keep getting errors like "Remote Desktop...

Fix Outlook 502 Bad Gateway Error from Antivirus Interference

When you see a 502 Bad Gateway error in Outlook, it usually means a network comp...

Windows Update High CPU Usage Troubleshooting Checklist