WindowsKBxmsu. Date Published: 11/7/ File Size: MB. KB Articles Security Update for Windows 7 for xbased Systems (KB) A security issue has been identified in a Microsoft software product that could affect your system. 04 [Deprecating] Microsoft Azure Datacenter IP Ranges This file contains the Compute IP address ranges (including SQL ranges) used by the Операционная система: Windows 7, Windows 7 Service Pack 1. · The End User / IT Administrator must ensure KB is installed on Dell client commercial and consumers systems running on Windows 7 operating systems (bit or bit) before attempting to install the Dell Update Package, or when encountered with this error and before re-attempting to install the particular Dell Update Package. The specific file I'm looking for is "WindowsKBxmsu", I already tried checking out the Windows Update database; I could only find downloads for Windows Vista, but nothing for 7. And yes, I get it, W7 is no longer supported.