Show an "Always open" checkbox in external protocol dialog.

This policy controls whether or not the "Always open" checkbox is shown on external protocol launch confirmation prompts.

If this policy is set to True or not set, when an external protocol confirmation is shown, the user can select "Always allow" to skip all future confirmation prompts for the protocol on this site.

If this policy is set to False, the "Always allow" checkbox is not displayed and the user will be prompted each time an external protocol is invoked.

Supported on: At least Microsoft Windows 7 or Windows Server 2008 family

Registry HiveHKEY_LOCAL_MACHINE or HKEY_CURRENT_USER
Registry PathSoftware\Policies\Google\Chrome
Value NameExternalProtocolDialogShowAlwaysOpenCheckbox
Value TypeREG_DWORD
Enabled Value1
Disabled Value0

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