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

Fix Windows Security Not Opening Error 0x80073cfc

When you double-click Windows Security and nothing opens, or you see error 0x80073cfc, it usually...

How to Enable Windows Security Real-Time Protection

If you see a warning that real-time protection is off, or you suspect your PC is vulnerable, here...

OneDrive Backup Setup Guide for Windows 10

If you're looking to back up your important files on Windows 10, OneDrive offers a built-in backu...

Fix Chrome Proxy Error 'Connection Refused' (Step-by-Step)

You try to open a website in Chrome and get 'ERR_CONNECTION_REFUSED' or 'Proxy server is not resp...

Fix Windows Defender Security Center Module Missing Error

You open Windows Security and see a blank page or an error saying the security center module is m...

Fix Chrome Error STATUS_ACCESS_VIOLATION