The Windows 11 update KB5066835 disrupted development workflows by causing the localhost interface to fail. Affected users reported HTTP/2 errors, failed connections, and issues in tools like Visual Studio.
This issue mainly affects SQL Azure data sources in Remote Desktop Manager and Workspace browser extension.

Install KB5007651 patch.
Uninstall KB5066835 patch.
Restart the computer.
Uninstall KB5065789 patch.
Restart the computer.