From 68d4ad7ae04d7ba38d7a4e60cb9c401cf836ba14 Mon Sep 17 00:00:00 2001
From: Rona Song <38082753+qrscharmed@users.noreply.github.com>
Date: Tue, 2 Jun 2020 00:54:57 -0700
Subject: [PATCH] Update faq-wd-app-guard.md

---
 .../windows-defender-application-guard/faq-wd-app-guard.md    | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/windows/security/threat-protection/windows-defender-application-guard/faq-wd-app-guard.md b/windows/security/threat-protection/windows-defender-application-guard/faq-wd-app-guard.md
index 1e8839b354..6fc40a60b0 100644
--- a/windows/security/threat-protection/windows-defender-application-guard/faq-wd-app-guard.md
+++ b/windows/security/threat-protection/windows-defender-application-guard/faq-wd-app-guard.md
@@ -92,3 +92,7 @@ Yes, both the Enterprise Resource domains hosted in the cloud and the Domains ca
 ### Why does my encryption driver break Windows Defender Application Guard?
 
 Windows Defender Application Guard accesses files from a VHD mounted on the host that needs to be written during setup. If an encryption driver prevents a VHD from being mounted or from being written to, WDAG will not work and result in an error message ("0x80070013 ERROR_WRITE_PROTECT"). 
+
+### Why did Application Guard stop working after I turned on hyperthreading?
+
+If hyperthreading is disabled (either with KB or through BIOS), there may be a possibility Application Guard will no longer meet the minimum requirements.