Microsoft’s latest security patches have created a nightmare scenario for IT administrators worldwide, with critical message queuing systems failing across enterprise environments. The December 2025 ...

Configuring an SMTP (Simple Mail Transfer Protocol) server on Windows Server is a common task for system administrators who need to enable applications or websites to send email messages. Unlike a ...

After the recent Windows 11 update KB5066835, many developers found their local web servers — including IIS, IIS Express, and Kestrel — suddenly failing to load. Browsers began throwing ERR_CONNECTION ...

Just days after Microsoft killed security updates for 500 million Windows 10 users, there’s bad news for Windows 11 users as well. A new, mandatory security update is a “total disaster” and an ...

The end of Windows 10 might not hurt so bad if Microsoft would quit breaking crucial elements of Windows 11. This time, it's the Windows Recovery Environment (WinRE) that's been knocked out of ...

Microsoft says the Windows 11 update broke localhost connections, but a fix is already rolling out. Microsoft is preparing an emergency patch after its latest Windows 11 update caused major technical ...

Microsoft confirmed that Windows 11 KB5066835 breaks localhost (127.0.0.1) HTTP/2 connections, which means locally hosted apps can no longer connect to your network, but that’s not the only problem.

Windows updates usually bring security enhancements, bug fixes and new features. Sometimes, though, these updates can also break parts of the operating system. Unfortunately, some updates for ...

Microsoft has fixed a known issue breaking HTTP/2 localhost (127.0.0.1) connections and IIS websites after installing recent Windows security updates. This bug affects both Windows 11 and Windows ...

A critical October patch has disrupted many development environments in Windows 11, forcing companies to roll back updates and causing them to question Microsoft’s QA process. Just as Windows 10 has ...