我有一个非常简单的安装程序-将单个dll复制到Program Files子文件夹，然后将其注册到regsvr32.exe。效果很好，但是如果安装了旧版本的dll，则“修复”不会覆盖现有的dll。DLL已签名，并且其版本（内部版本）号始终递增（例如2.0.0.123-> 2.0.0.124）。
查看以前的类似文章，我添加了RemoveExistingProducts并将ProductId指定为“ *”。卸载然后再安装较新的版本效果很好，但是我确实需要修复以更新现有的dll。
我还有什么需要做的吗？
谢谢！
<?xml version="1.0" encoding="UTF-8"?>
<Wix xmlns="http://schemas.microsoft.com/wix/2006/wi" xmlns:util="http://schemas.microsoft.com/wix/UtilExtension">
<!--
When creating a new install for the next version, these fields must be modified
-->
<?define ProductVersion = "2.0.00" ?>
<?define ProductId64 = "*" ?>
<?define ProductId32 = "*" ?>
<?define PackageId = "45F34788-66AC-441C-B666-707FFA7F1EE9" ?>
<!-- Product name as you want it to appear in Add/Remove Programs-->
<?if $(var.Platform) = x64 ?>
<?define ProductName = "XYZ (64 bit)" ?>
<?define Win64 = "yes" ?>
<?define PlatformProgramFilesFolder = "ProgramFiles64Folder" ?>
<?define ProductId = "$(var.ProductId64)" ?>
<?define MainDllName = "XYZ64.dll" ?>
<?define MainDllSource = "..\..\bin\Win64\Release\XYZ64.dll" ?>
<?else ?>
<?define ProductName = "XYZ (32 bit)" ?>
<?define Win64 = "no" ?>
<?define PlatformProgramFilesFolder = "ProgramFilesFolder" ?>
<?define ProductId = "$(var.ProductId32)" ?>
<?define MainDllName = "XYZ.dll" ?>
<?define MainDllSource = "..\..\bin\Win32\Release\XYZ.dll" ?>
<?endif ?>
<?define UpgradeCode = "{C3763742-7C1C-4AB7-A404-F030B7550E97}" ?>
<Product Id="$(var.ProductId)" Name="$(var.ProductName)" Language="1033" Version="$(var.ProductVersion)" Manufacturer="Advanced Messaging Systems LLC" UpgradeCode="$(var.UpgradeCode)">
<Package Id="$(var.PackageId)" InstallerVersion="200" Compressed="yes" Description="XYZ Installer package" InstallPrivileges="elevated"/>
<!-- No restore point -->
<Property Id="MSIFASTINSTALL" Value="3" />
<Media Id="1" Cabinet="media1.cab" EmbedCab="yes" />
<Directory Id="TARGETDIR" Name="SourceDir">
<Directory Id="$(var.PlatformProgramFilesFolder)">
<Directory Id="INSTALLLOCATION" Name="XYZ">
<Component Id="XYZDll" Guid="E2CBEE41-6C0E-4A84-95C1-7282747B4A3D">
<File Id='MainDll' Name="$(var.MainDllName)" DiskId='1' Source="$(var.MainDllSource)" SelfRegCost="0" />
<!-- TODO: Insert files, registry keys, and other resources here. -->
</Component>
</Directory>
</Directory>
</Directory>
<Property Id="WIXUI_INSTALLDIR" Value="INSTALLLOCATION" />
<!-- Note: Custom actions to install/uninstall the dll using regsvr32.exe -->
<CustomAction Id="RegisterDll"
Directory="INSTALLLOCATION"
ExeCommand='regsvr32.exe /s "[INSTALLLOCATION]$(var.MainDllName)"'
Return="check">
</CustomAction>
<CustomAction Id="UnregisterDll"
Directory="INSTALLLOCATION"
ExeCommand='regsvr32.exe /s /u "[INSTALLLOCATION]$(var.MainDllName)"'>
</CustomAction>
<Feature Id="ProductFeature" Title="XYZ" Level="1">
<ComponentRef Id="XYZDll" />
<!-- Note: The following ComponentGroupRef is required to pull in generated authoring from project references. -->
<ComponentGroupRef Id="Product.Generated" />
</Feature>
<InstallUISequence>
<Custom Action="WixCloseApplications" Before="AppSearch"/>
</InstallUISequence>
<InstallExecuteSequence>
<!-- Uninstall previous version before installing this one. -->
<RemoveExistingProducts Before="InstallInitialize"/>
<SelfRegModules/>
</InstallExecuteSequence>
<Icon Id="XYZ.ico" SourceFile="..\Graphics\XYZ.ico"/>
<Property Id="ARPPRODUCTICON" Value="XYZ.ico" />
<!-- UI -->
<UIRef Id="WixUI_InstallDir"/>
<UIRef Id="WixUI_ErrorProgressText" />
<WixVariable Id="WixUILicenseRtf" Value="..\EULA\license.rtf" />
<WixVariable Id="WixUIBannerBmp" Value="..\Graphics\banner.jpg" />
<WixVariable Id="WixUIDialogBmp" Value="..\Graphics\logo.jpg" />
<!-- End UI -->
</Product>
</Wix>
更新。修改升级条目后，以下内容对我有用：
<?xml version="1.0" encoding="UTF-8"?>
<Wix xmlns="http://schemas.microsoft.com/wix/2006/wi" xmlns:util="http://schemas.microsoft.com/wix/UtilExtension">
<!--
When creating a new install for the next version, these fields must be modified
-->
<?define ProductVersion = "2.0.4" ?>
<?define ProductId64 = "*" ?>
<?define ProductId32 = "*" ?>
<?define PackageId = "*" ?>
<!-- Product name as you want it to appear in Add/Remove Programs-->
<?if $(var.Platform) = x64 ?>
<?define ProductName = "XYZ (64 bit)" ?>
<?define Win64 = "yes" ?>
<?define PlatformProgramFilesFolder = "ProgramFiles64Folder" ?>
<?define ProductId = "$(var.ProductId64)" ?>
<?define MainDllName = "XYZ64.dll" ?>
<?define MainDllSource = "..\..\bin\Win64\Release\XYZ64.dll" ?>
<?else ?>
<?define ProductName = "XYZ (32 bit)" ?>
<?define Win64 = "no" ?>
<?define PlatformProgramFilesFolder = "ProgramFilesFolder" ?>
<?define ProductId = "$(var.ProductId32)" ?>
<?define MainDllName = "XYZ.dll" ?>
<?define MainDllSource = "..\..\bin\Win32\Release\XYZ.dll" ?>
<?endif ?>
<?define UpgradeCode = "{C3763742-7C1C-4AB7-A404-F030B7550E97}" ?>
<Product
Id="$(var.ProductId)"
Name="$(var.ProductName)"
Language="1033"
Version="$(var.ProductVersion)"
Manufacturer="Advanced Messaging Systems LLC"
UpgradeCode="$(var.UpgradeCode)"
>
<Package Id="$(var.PackageId)"
InstallerVersion="200"
Compressed="yes"
Description="XYZ Installer package"
InstallPrivileges="elevated"
/>
<!-- No restore point -->
<Property Id="MSIFASTINSTALL" Value="3" />
<Upgrade Id="$(var.UpgradeCode)">
<UpgradeVersion Minimum="1.0.0"
IncludeMinimum="yes"
OnlyDetect="no"
Maximum="$(var.ProductVersion)"
IncludeMaximum="no"
Property="PREVIOUSFOUND" />
</Upgrade>
<Media Id="1" Cabinet="media1.cab" EmbedCab="yes" />
<Directory Id="TARGETDIR" Name="SourceDir">
<Directory Id="$(var.PlatformProgramFilesFolder)">
<Directory Id="INSTALLLOCATION" Name="XYZ">
<Component Id="XYZDll" Guid="E2CBEE41-6C0E-4A84-95C1-7282747B4A3D">
<File Id='MainDll' Name="$(var.MainDllName)" DiskId='1' Source="$(var.MainDllSource)" SelfRegCost="0" />
<!-- TODO: Insert files, registry keys, and other resources here. -->
</Component>
</Directory>
</Directory>
</Directory>
<Property Id="WIXUI_INSTALLDIR" Value="INSTALLLOCATION" />
<!-- Note: Custom actions to install/uninstall the dll using regsvr32.exe -->
<CustomAction Id="RegisterDll"
Directory="INSTALLLOCATION"
ExeCommand='regsvr32.exe /s "[INSTALLLOCATION]$(var.MainDllName)"'
Return="check">
</CustomAction>
<CustomAction Id="UnregisterDll"
Directory="INSTALLLOCATION"
ExeCommand='regsvr32.exe /s /u "[INSTALLLOCATION]$(var.MainDllName)"'>
</CustomAction>
<Feature Id="ProductFeature" Title="XYZ" Level="1">
<ComponentRef Id="XYZDll" />
<!-- Note: The following ComponentGroupRef is required to pull in generated authoring from project references. -->
<ComponentGroupRef Id="Product.Generated" />
</Feature>
<InstallUISequence>
<Custom Action="WixCloseApplications" Before="AppSearch"/>
</InstallUISequence>
<InstallExecuteSequence>
<RemoveExistingProducts After="InstallInitialize"/>
<SelfRegModules/>
</InstallExecuteSequence>
<Icon Id="XYZ.ico" SourceFile="..\Graphics\XYZ.ico"/>
<Property Id="ARPPRODUCTICON" Value="XYZ.ico" />
<!-- UI -->
<UIRef Id="WixUI_InstallDir"/>
<UIRef Id="WixUI_ErrorProgressText" />
<WixVariable Id="WixUILicenseRtf" Value="..\EULA\license.rtf" />
<WixVariable Id="WixUIBannerBmp" Value="..\Graphics\banner.jpg" />
<WixVariable Id="WixUIDialogBmp" Value="..\Graphics\logo.jpg" />
<!-- End UI -->
</Product>
</Wix>
如果要进行重大升级，请从WiX MajorUpgrade元素开始。升级的一般规则是：
在您的原始情况下，不遵循规则1和2意味着Windows认为已经安装了同一产品，并进入了修复模式。那应该是您的第一个警告，因为主要升级看起来像是全新安装，而不是维修。如果您在“程序和功能”中有两个条目，则表示这4个要求中的一项或多项没有得到满足。如果您收到“已经安装了该产品的另一个版本”，则表示您没有遵循规则1，并且与安装的产品相比，行为上的差异是有关ProductCode和PackageCode值的。
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