Edit C:\Windows\PolicyDefinitions\Help.admx

<?xml version="1.0" encoding="utf-8"?>

<policyDefinitions xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" revision="1.0" schemaVersion="1.0" xmlns="http://schemas.microsoft.com/GroupPolicy/2006/07/PolicyDefinitions">
  <policyNamespaces>
    <target prefix="help" namespace="Microsoft.Policies.WindowsHelp" />
    <using prefix="windows" namespace="Microsoft.Policies.Windows" />
  </policyNamespaces>
  <resources minRequiredRevision="1.0" />
  <policies>
    <policy name="HelpQualifiedRootDir_Comp" class="Machine" displayName="$(string.HelpQualifiedRootDir_Comp)" explainText="$(string.HelpQualifiedRootDir_Help)" presentation="$(presentation.HelpQualifiedRootDir_Comp)" key="Software\Policies\Microsoft\Windows\System">
      <parentCategory ref="windows:System" />
      <supportedOn ref="windows:SUPPORTED_IE6SP1" />
      <elements>
        <text id="HelpQualifiedRootDir_Edit" valueName="HelpQualifiedRootDir" />
      </elements>
    </policy>
    <policy name="RestrictRunFromHelp" class="User" displayName="$(string.RestrictRunFromHelp)" explainText="$(string.RestrictRunFromHelp_Help)" presentation="$(presentation.RestrictRunFromHelp)" key="Software\Policies\Microsoft\Windows\System">
      <parentCategory ref="windows:System" />
      <supportedOn ref="windows:SUPPORTED_WindowsXP" />
      <elements>
        <text id="RestrictRunFromHelp_Edit" valueName="DisableInHelp" required="true" />
      </elements>
    </policy>
      <policy name="RestrictRunFromHelp_Comp" class="Machine" displayName="$(string.RestrictRunFromHelp_Comp)" explainText="$(string.RestrictRunFromHelp_Help)" presentation="$(presentation.RestrictRunFromHelp_Comp)" key="Software\Policies\Microsoft\Windows\System">
          <parentCategory ref="windows:System" />
          <supportedOn ref="windows:SUPPORTED_WindowsXP" />
          <elements>
              <text id="RestrictRunFromHelp_Edit" valueName="DisableInHelp" required="true" />
          </elements>
      </policy>
      <policy name="DisableHHDEP" class="Machine" displayName="$(string.DisableHHDEP)" explainText="$(string.DisableHHDEPText)" key="Software\Policies\Microsoft\Windows\System" valueName="DisableHHDEP">
          <parentCategory ref="windows:System" />
          <supportedOn ref="windows:SUPPORTED_Windows7" />
          <enabledValue>
              <decimal value="1" />
          </enabledValue>
          <disabledValue>
              <decimal value="0" />
          </disabledValue>
      </policy>
  </policies>
</policyDefinitions>

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