Windows 11 Firewall with Advanced Security flags up errors in "under development" code — but it's nothing to worry about
A binary code and Microsoft logo are seen in this multpiple exposure illustration photo.

A binary code and Microsoft logo are seen in this multpiple exposure illustration photo.

An office worker has a "Blue Screen of Death" error on their Windows PC.

An audience member seated near a Microsoft logo listens as Microsoft Chairman and Chief Executive Officer Satya Nadella speaks during the Microsoft Build conference opening keynote in Seattle, Washington on May 19, 2025. (Photo by Jason Redmond / AFP) (Photo by JASON REDMOND/AFP via Getty Images)

Windows 10 Start menu on Microsoft's Surface Laptop 4.

Windows 10 Start menu on a Surface Pro 5th Gen

CHONGQING, CHINA - JULY 10: In this photo illustration, the logo of Grok 4 is displayed on smartphone screen with xAI logo in the background on July 10, 2025 in Chongqing, China. Elon Musk on July 10 unveiled Grok 4, a new version of his X platform's AI chatbot.

Jony Ive (left) and Sam Altman (right) photographed in black in white with money and stock counts in the background

ChatGPT logo of a chatbot launched by OpenAI is seen on a smartphone in a hand.


A view of the new Microsoft Surface Laptop following a Microsoft launch event, May 2, 2017 in New York City.


People walk past the front entrance to a Microsoft office building on 8th Avenue on June 24, 2025, in New York City.


OpenAI CEO Sam Altman is seen on a mobile device screen.


The Microsoft logo is being displayed on a smart phone, with the OpenAI logo visible on the screen in the background.


Detail of the YouTube logo outside the YouTube Space studios in London.


Microsoft CEO Satya Nadella (R) greets OpenAI CEO Sam Altman during the OpenAI DevDay event on November 06, 2023 in San Francisco, California.


Google CEO Sundar Pichai during the press conference after his meeting with Polish PM Donald Tusk at Google for Startups Campus In Warsaw in Warsaw, Poland on February 13, 2025.


The Gemini CLI LOGO of Google's open-source AI Agent framework displayed in a smartphone in Suqian City, Jiangsu Province, China on June 26, 2025.


Microsoft CEO Satya Nadella speaks during an event celebrating the 50th Anniversary of Microsoft on April 4, 2025 in Redmond, Washington.


The logo of 'OpenAI' is displayed on a mobile phone screen in front of a computer screen displaying the photographs of Elon Musk and Sam Altman.


Microsoft Copilot AI logo is seen displayed on a smartphone screen.


The logo of OpenAI is displayed on a smartphone screen with the Google logo in the background

