keepassxc/share/windows/wix-template.xml

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

<?include "cpack_variables.wxi"?>

<Wix xmlns="http://schemas.microsoft.com/wix/2006/wi"
    xmlns:util="http://schemas.microsoft.com/wix/UtilExtension"
    RequiredVersion="3.6.3303.0">

    <Product Id="$(var.CPACK_WIX_PRODUCT_GUID)"
        Name="$(var.CPACK_PACKAGE_NAME)"
        Language="1033"
        Version="$(var.CPACK_PACKAGE_VERSION)"
        Manufacturer="$(var.CPACK_PACKAGE_VENDOR)"
        UpgradeCode="$(var.CPACK_WIX_UPGRADE_GUID)">

        <Package InstallScope="perMachine" InstallerVersion="301" Compressed="yes"/>

        <Media Id="1" Cabinet="media1.cab" EmbedCab="yes"/>

        <MajorUpgrade
            Schedule="afterInstallInitialize"
            AllowSameVersionUpgrades="yes"
            DowngradeErrorMessage="A later version of [ProductName] is already installed. Setup will now exit."/>

        <WixVariable Id="WixUILicenseRtf" Value="$(var.CPACK_WIX_LICENSE_RTF)"/>
        <Property Id="WIXUI_INSTALLDIR" Value="INSTALL_ROOT"/>

        <?ifdef CPACK_WIX_PRODUCT_ICON?>
        <Property Id="ARPPRODUCTICON">ProductIcon.ico</Property>
        <Icon Id="ProductIcon.ico" SourceFile="$(var.CPACK_WIX_PRODUCT_ICON)"/>
        <?endif?>

        <?ifdef CPACK_WIX_UI_BANNER?>
        <WixVariable Id="WixUIBannerBmp" Value="$(var.CPACK_WIX_UI_BANNER)"/>
        <?endif?>

        <?ifdef CPACK_WIX_UI_DIALOG?>
        <WixVariable Id="WixUIDialogBmp" Value="$(var.CPACK_WIX_UI_DIALOG)"/>
        <?endif?>

        <FeatureRef Id="ProductFeature"/>

        <UIRef Id="$(var.CPACK_WIX_UI_REF)" />

        <?include "properties.wxi"?>
        <?include "product_fragment.wxi"?>

        <DirectoryRef Id="TARGETDIR">
            <Directory Id="ProgramMenuFolder" />
        </DirectoryRef>

        <Property Id="WixSilentExecCmdLine" Value='"Taskkill" /IM KeePassXC.exe'/>
        <CustomAction Id="KillKeePassXCInstall" BinaryKey="WixCA" DllEntry="WixSilentExec" Execute="immediate" Return="ignore"/>
        <CustomAction Id="KillKeePassXCUninstall" BinaryKey="WixCA" DllEntry="WixSilentExec" Execute="immediate" Return="ignore"/>

        <Property Id="WixQuietExecCmdLine" Value='"Taskkill" /IM keepassxc-proxy.exe /F'/>
        <CustomAction Id="KillProxyInstall" BinaryKey="WixCA" DllEntry="WixQuietExec" Execute="immediate" Return="ignore"/>
        <CustomAction Id="KillProxyUninstall" BinaryKey="WixCA" DllEntry="WixQuietExec" Execute="immediate" Return="ignore"/>

        <InstallExecuteSequence>
            <Custom Action="KillKeePassXCInstall" After="InstallInitialize"/>
            <Custom Action="KillProxyInstall" After="InstallInitialize"/>
            <Custom Action="KillKeePassXCUninstall" Before="InstallValidate">Installed</Custom>
            <Custom Action="KillProxyUninstall" Before="InstallValidate">Installed</Custom>
        </InstallExecuteSequence>
    </Product>
</Wix>