I am looking for some advice on how to deal with the service removal during 
upgrade (major and minor) and repair. Since OS will mark the service for 
deletion when the service is removed and reboot is required, any future service 
update during the installation process will be ignored. This leaves the service 
not installed after repair or upgrade.

What I want is that the service will NOT be removed during upgrade and repair 
but removed during uninstallation (Remove option).

Here are some code snippet I am used to handle this, but it does not work 
reliably. I hope somebody can give me some advice on this topic. Your help will 
be highly appreciated. The code seems to work for Repair and Major Upgrade, but 
does not work well with the minor upgrade where only the 4th field of the 
revision is different.

<!-- upgrade definition -->
    <Upgrade Id="$(var.UpgradeCode)"
<UpgradeVersion
        Property="MAJORUPGRADE"
        Minimum="0.0.0.0"
        IncludeMinimum="yes"
        Maximum="$(var.ProductVersion)"
        IncludeMaximum="no"
        OnlyDetect="no"
        IgnoreRemoveFailure="no"
        MigrateFeatures="yes" />

      <!-- Detect for changes in 4th field only -->
      <UpgradeVersion
Property="MINORUPGRADE"
              Maximum="$(var.ProductVersion)"
Minimum="$(var.ProductVersion)"
              IncludeMinimum="yes"
IncludeMaximum="yes"
OnlyDetect="yes" />
    </Upgrade>

<!-- Execution sequence -->
<InstallExecuteSequence>
      <Custom Action="Uninstall_HIDDriver" After="RemoveRegistryValues">
        <![CDATA[REMOVE="ALL" AND NOT (MAJORUPGRADE OR MINORUPGRADE)]]></Custom>
</InstallExecuteSequence>

So what could be wrong?

Thanks,
zhong

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