Disabling data execution prevention can allow certain legacy plug-in applications to function without terminating Explorer. Vulnerability: Data Execution Prevention is an important security feature supported by Explorer that helps to limit the impact of certain types of malware. Counter Measure: We recommend that you disable this policy setting unless you have to support legacy business applications that do not support it. Potential Impact: Enabling this policy setting may allow certain legacy plug-in applications to function. Disabling this policy setting will ensure that Data Execution Prevention blocks certain types of malware from exploiting Explorer. Fix: (1) GPO: Computer Configuration\Administrative Templates\Windows Components\File Explorer\Turn off Data Execution Prevention for Explorer (2) REG: HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Explorer!NoDataExecutionPrevention