ThioJoe covers a recent Windows Patch update that temporarily broke HTTP/2 localhost connections and explains which apps were affected. He details Microsoft’s rollback solution and offers additional ...

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 ...

Forbes contributors publish independent expert analyses and insights. Zak Doffman writes about security, surveillance and privacy. Microsoft’s mandatory security update this month has been described ...

On October 14, 2025, Microsoft released the Windows 11 cumulative update KB5066835. It was intended to deliver security fixes and stability improvements, but instead introduced a serious problem. The ...

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 ...

Microsoft’s latest Windows 11 patch tripped over its own shoelaces and knocked out localhost, leaving devs unable to reach web apps running on their own machines. The October cumulative update ...

Windows 10 holdouts, unfortunately, are going to have to upgrade to the newest version of the operating system soon. That's because the end is nigh for Windows 10, and Microsoft doesn't want anyone to ...

I am having trouble running Opcode on my Windows machine. After launching the executable, the window shows an "ERR_CONNECTION_REFUSED" error for localhost. Despite ...

So you’ve connected a device to your PC via a USB port — but Windows doesn’t recognize it. What now? Before you assume the product (or your PC port) is broken, there are several USB troubleshooting ...

Microsoft and Veeam are investigating a known issue that triggers connection errors on Windows 11 24H2 systems when restoring from Veeam Recovery Media. These recovery problems affect users trying to ...