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Update faq-wd-app-guard.md

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Rona Song
2020-06-02 00:54:57 -07:00
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windows/security/threat-protection/windows-defender-application-guard/faq-wd-app-guard.md
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@ -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.