Ответ 1
Вот фрагмент того, что я использую для всех моих пакетов, усовершенствовал многие внутренние и публичные релизы
<Product Id="*"
UpgradeCode="$(var.Property_UpgradeCode)"
Name="!(loc.ApplicationName)"
Language="!(loc.Property_ProductLanguage)"
Version="$(var.version)"
Manufacturer="!(loc.ManufacturerName)" >
<Package Description="!(loc.Package_Description) $(var.version)"
Comments="!(loc.Package_Comments)"
Manufacturer="!(loc.ManufacturerName)"
InstallerVersion="301"
Compressed="yes"
InstallPrivileges="elevated"
InstallScope="perMachine"
Platform="$(var.ProcessorArchitecture)" />
<Media Id="1" Cabinet="media1.cab" EmbedCab="yes" />
<Upgrade Id="$(var.Property_UpgradeCode)">
<UpgradeVersion OnlyDetect="yes"
Minimum="$(var.version)"
Property="NEWERVERSIONDETECTED"
IncludeMinimum="no" />
<UpgradeVersion OnlyDetect="no"
Maximum="$(var.version)"
Property="OLDERVERSIONBEINGUPGRADED"
IncludeMaximum="no" />
<!-- Detect for changes in 4th field only -->
<UpgradeVersion Property="ANOTHERBUILDINSTALLED"
Maximum="$(var.version)" Minimum="$(var.version)"
IncludeMinimum="yes" IncludeMaximum="yes" OnlyDetect="yes" />
</Upgrade>
<CustomAction Id="CA_BlockOlderVersionInstall" Error="!(loc.LaunchCondition_LaterVersion)" />
<CustomAction Id="CA_BlockAnotherBuildInstall" Error="!(loc.LaunchCondition_AnotherBuild)" />
<InstallExecuteSequence>
<Custom Action="CA_BlockOlderVersionInstall" After="FindRelatedProducts">
<![CDATA[NEWERVERSIONDETECTED]]>
</Custom>
<!-- Prevent installation on 4th version field change only -->
<Custom Action="CA_BlockAnotherBuildInstall" After="FindRelatedProducts">
<![CDATA[ANOTHERBUILDINSTALLED]]>
</Custom>
<LaunchConditions After="AppSearch" />
<!-- Schedule RemoveExistingProducts early -->
<RemoveExistingProducts After="InstallInitialize" />
</InstallExecuteSequence>
<InstallUISequence>
<Custom Action="CA_BlockOlderVersionInstall" After="FindRelatedProducts">
<![CDATA[NEWERVERSIONDETECTED]]>
</Custom>
<!-- Prevent installation on 4th version field change only -->
<Custom Action="CA_BlockAnotherBuildInstall" After="FindRelatedProducts">
<![CDATA[ANOTHERBUILDINSTALLED]]>
</Custom>
<LaunchConditions After="AppSearch" />
</InstallUISequence>
<!-- .... -->
</Product>