Error message: “System Extension Blocked” seen on macOS endpoin... - Knowledge Base - Palo Alto Networks
![System extension blocked Enable the extension from Security & Privacy System Preferences pane by clicking "Allow" button and BlueStacks will launch again." : r/BlueStacks System extension blocked Enable the extension from Security & Privacy System Preferences pane by clicking "Allow" button and BlueStacks will launch again." : r/BlueStacks](https://preview.redd.it/system-extension-blocked-enable-the-extension-from-security-v0-xyi87xcb415a1.png?auto=webp&s=2c2af47f1d6acf1e85ef6513ae713bba555a7212)
System extension blocked Enable the extension from Security & Privacy System Preferences pane by clicking "Allow" button and BlueStacks will launch again." : r/BlueStacks
![high sierra - MacOS 10.13.5 - Updated yesterday, getting spammed with System Extension Blocked - Ask Different high sierra - MacOS 10.13.5 - Updated yesterday, getting spammed with System Extension Blocked - Ask Different](https://i.stack.imgur.com/bRYvH.png)
high sierra - MacOS 10.13.5 - Updated yesterday, getting spammed with System Extension Blocked - Ask Different
![Alerta de extensión del sistema bloqueada durante instalación de software | LaCie Soporte Latinoamérica Alerta de extensión del sistema bloqueada durante instalación de software | LaCie Soporte Latinoamérica](https://www.lacie.com/www-content/support-content/knowledge-base/images/ka03A000000avSLQAY__3.jpg)