This update addresses the "HCT Audio Test Causes Computer to Stop Responding" issue in Windows XP, and is discussed in Microsoft Knowledge Base (KB) Article 810272. Download now to allow HCT Audio Tests to complete. When you run the Driver Verifier test in the Microsoft Windows Hardware Compatibility Test (HCT) version 11.0 kit to test audio drivers in Windows XP, your computer may stop responding (hang). A memory dump analysis may show debug information. Download Q810272 Patch