Installation error Help Server NAV2016

gtrennert2

Hello
I want to add compônent Help server on already installed NAV2016
But I get the following error :
Package Serveur d'aide Microsoft Dynamics NAV failed with error :
ERROR: Package Serveur d'aide Microsoft Dynamics NAV failed with error. See detailed message above.
Any Idea how to get help working ?

Here's the detail of log :

=== Logging started: 2019/01/05 15:22:17 ===
Executable: C:\Program Files (x86)\Common Files\Microsoft Dynamics NAV\90\Setup\setup.exe v9.0.44365.0
Computer  : WIN1606-NAV
--- logging level: standard ---
RegistrySearch: Id = 'SqlServerInstalled', checking registry key existence. 
                Id = 'SqlServerInstalled', Key = 'SYSTEM\CurrentControlSet\Services\', Exists = '1'
RegistrySearch: Id = 'SqlNCLIInstalled', checking registry key existence. 
                Id = 'SqlNCLIInstalled', Key = 'SOFTWARE\Microsoft\SQLNCLI11', Exists = '1'
RegistrySearch: Id = 'DotNetFx45Release', searching for registry key value. 
                Id = 'DotNetFx45Release', Key = 'SOFTWARE\Microsoft\NET Framework Setup\NDP\v4\Full', Value = '394802'
RegistrySearch: Id = 'VstoInstalled', searching for registry key value. 
                Id = 'VstoInstalled', Registry key not found. Key = 'SOFTWARE\Microsoft\VSTO Runtime Setup\v4R'
RegistrySearch: Id = 'PowerShell30Installed', searching for registry key value. 
                Id = 'PowerShell30Installed', Key = 'SOFTWARE\Microsoft\PowerShell\3\PowerShellEngine', Value = '5.1.14393.0'
RegistrySearch: Id = 'WindowsSearchInstalled', checking registry key existence. 
                Id = 'WindowsSearchInstalled', Key = 'SYSTEM\CurrentControlSet\Services\WSearch', Exists = '1'
RegistrySearch: Id = 'Excel14Installedx86', searching for registry key value. 
                Id = 'Excel14Installedx86', Registry key not found. Key = 'SOFTWARE\Microsoft\Office\14.0\Excel\InstallRoot'
RegistrySearch: Id = 'Excel14Installedx64', searching for registry key value. 
                Id = 'Excel14Installedx64', Registry key not found. Key = 'SOFTWARE\Microsoft\Office\14.0\Excel\InstallRoot'
RegistrySearch: Id = 'Outlook', checking registry key existence. 
                Id = 'Outlook', Key = 'SOFTWARE\Microsoft\Windows\CurrentVersion\App Paths\OUTLOOK.EXE', Exists = '0'
RegistrySearch: Id = 'Outlook15', checking registry key existence. 
                Id = 'Outlook15', Key = 'Software\Microsoft\Office\15.0\Outlook', Exists = '0'
RegistrySearch: Id = 'VCPPSpLevel', searching for registry key value. 
                Id = 'VCPPSpLevel', Key = 'SOFTWARE\Microsoft\DevDiv\VC\Servicing\12.0', Value = '0'
RegistrySearch: Id = 'VCPPInstalled', checking registry key existence. 
                Id = 'VCPPInstalled', Key = 'SOFTWARE\Microsoft\DevDiv\VC\Servicing\12.0', Exists = '1'
RegistrySearch: Id = 'VCPP64Installed', checking registry key existence. 
                Id = 'VCPP64Installed', Key = 'SOFTWARE\Microsoft\DevDiv\VC\Servicing\12.0', Exists = '1'
RegistrySearch: Id = 'IISInstalled', checking registry key existence. 
                Id = 'IISInstalled', Key = 'SOFTWARE\Microsoft\InetStp', Exists = '1'
RegistrySearch: Id = 'IISWinAuthInstalled', searching for registry key value. 
                Id = 'IISWinAuthInstalled', Key = 'SOFTWARE\Microsoft\InetStp\Components', Value = '1'
RegistrySearch: Id = 'IISASPNETInstalled', searching for registry key value. 
                Id = 'IISASPNETInstalled', Registry value not found. Key = 'SOFTWARE\Microsoft\InetStp\Components', Value = 'ASPNET'
RegistrySearch: Id = 'IISASPNET45Installed', searching for registry key value. 
                Id = 'IISASPNET45Installed', Key = 'SOFTWARE\Microsoft\InetStp\Components', Value = '1'
RegistrySearch: Id = 'IISNETFXInstalled', searching for registry key value. 
                Id = 'IISNETFXInstalled', Registry value not found. Key = 'SOFTWARE\Microsoft\InetStp\Components', Value = 'NetFxExtensibility'
RegistrySearch: Id = 'IISNETFX45Installed', searching for registry key value. 
                Id = 'IISNETFX45Installed', Key = 'SOFTWARE\Microsoft\InetStp\Components', Value = '1'
RegistrySearch: Id = 'IISISAPEXInstalled', searching for registry key value. 
                Id = 'IISISAPEXInstalled', Key = 'SOFTWARE\Microsoft\InetStp\Components', Value = '1'
RegistrySearch: Id = 'HttpActivationInstalled', checking registry key existence. 
                Id = 'HttpActivationInstalled', Key = 'SYSTEM\CurrentControlSet\Services\WAS', Exists = '1'
RegistrySearch: Id = 'IISISAPIFIInstalled', searching for registry key value. 
                Id = 'IISISAPIFIInstalled', Key = 'SOFTWARE\Microsoft\InetStp\Components', Value = '1'
RegistrySearch: Id = 'IISREQSTFIInstalled', searching for registry key value. 
                Id = 'IISREQSTFIInstalled', Key = 'SOFTWARE\Microsoft\InetStp\Components', Value = '1'
RegistrySearch: Id = 'IISSTATICInstalled', searching for registry key value. 
                Id = 'IISSTATICInstalled', Key = 'SOFTWARE\Microsoft\InetStp\Components', Value = '1'
RegistrySearch: Id = 'WebComponentsPrerequisitesInstalled', searching for registry key value. 
                Id = 'WebComponentsPrerequisitesInstalled', Key = 'SOFTWARE\Microsoft\Microsoft Dynamics NAV\90\Web Components Prerequisites', Value = '1'
RegistrySearch: Id = 'IdentityFoundationInstalled', checking registry key existence. 
                Id = 'IdentityFoundationInstalled', Key = 'SOFTWARE\Microsoft\Windows Identity Foundation\Setup\v3.5', Exists = '1'
Configuring package. Id = 'ARP'
MSI log file set to: C:\Users\test\AppData\Local\Temp\setup.wix.msi.2b.log
Done configuring package. Id = 'ARP' ReturnCode = 0
Configuring package. Id = 'NavHelpServer'
MSI log file set to: C:\Users\test\AppData\Local\Temp\setup.wix.msi.2c.log
Done configuring package. Id = 'NavHelpServer' ReturnCode = 1603
Configuring package. Id = 'WebHelp_FR'
MSI log file set to: C:\Users\test\AppData\Local\Temp\setup.wix.msi.2d.log
Done configuring package. Id = 'WebHelp_FR' ReturnCode = 0
SUCCESS: Package Composants d'installation Microsoft Dynamics NAV executed sucessfully.
ERROR: Package Serveur d'aide Microsoft Dynamics NAV failed with error. See detailed message above.
SUCCESS: Package Module Langue (fr-FR) pour le serveur d'aide de Microsoft Dynamics NAV executed sucessfully.
=== Logging stopped: 2019/01/05 15:24:47 ===