blocks|key|1222294|text|This+installation+error+can+occur+because+the+incorrect+version+of+InstallUtilLib.dll+has+been+streamed+into+the+MSI+package+for+the+.NET+Installer+Class+custom+actions.|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1222295|Q112469:+INFO:+Error+1001+Occurs+During+Installation|1222296|你同时使用VS10和VS12吗？|1222297|您激活InstallShield了吗？|1222298|entityMap|0|LINK|mutability|MUTABLE|url|https://flexeracommunity.force.com/customer/articles/en_US/INFO/Error-1001-Occurs-During-Installation^0|0|4P|0|0|1G|0|0|0|0^^$0|@$1|2|3|4|5|6|7|T|8|@$9|U|A|V|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|W|8|@]|D|@$9|X|A|Y|1|Z]]|E|$]]|$1|H|3|I|5|6|7|10|8|@]|D|@]|E|$]]|$1|J|3|K|5|6|7|11|8|@]|D|@]|E|$]]|$1|L|3|-4|5|6|7|12|8|@]|D|@]|E|$]]]|M|$N|$5|O|P|Q|E|$R|S]]]]

<code>This installation error can occur because the incorrect version of InstallUtilLib.dll has been streamed into the MSI package for the .NET Installer Class custom actions.</code>

<a href="https://flexeracommunity.force.com/customer/articles/en_US/INFO/Error-1001-Occurs-During-Installation" rel="nofollow">Q112469: INFO: Error 1001 Occurs During Installation</a>

Are you using both VS10 and VS12 ?

Have you activated the InstallShield ?

blocks|key|791485|text|我有确切的场景和错误，安装一个服务和一个winform。结果是我得到了1001错误(显然)，因为我的服务已经在那台机器上运行了。(这就是为什么我怀疑您只在开发机器上得到错误的原因？)当我通过“添加/删除程序”卸载该服务时，安装按计划进行。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|791486|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

I had the exact scenario and error, installing a service and one winform. It turns out I was getting the 1001 error (apparently) because my service was already running on that machine. (Which is why i suspect you were only getting the error on your development machine?) When I uninstalled the service through add/remove programs, the installation went as planned.

blocks|key|791507|text|我也遇到过类似的问题。我的问题是由一个已经安装的类似服务引起的。卸载已经安装的服务对我来说是有效的。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|791508|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

I had a similar problem. Mine was being caused by a similar service that was already installed. Uninstalling the already installed service worked for me.

blocks|key|2915888|text|当你有一个引用的框架没有安装在你试图安装你的应用的服务器上，选择菜单栏中的安装程序，选择选项，然后选择.NET，最后选择框架的文件夹，在我的例子中是v2.0，因为这是我在服务器上安装的框架，就会发生这个错误。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2915889|希望能帮上忙|2915890|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|F|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|G|8|@]|9|@]|A|$]]|$1|D|3|-4|5|6|7|H|8|@]|9|@]|A|$]]]|E|$]]

This error occurs when you have a referenced Framework that you have not installed in the server where you are trying to install your app, select installshield le in menu bar, select options and then .NET, finally select the framework's folder in my case was v2.0 because that's the framework i have installed in the server,

hope can help

blocks|key|2915998|text|希望这能帮助你们中的一些人在使用InstallShield+2015+LE+Installer项目安装.NET+Windows服务时遇到错误1001，并将主输出设置为安装程序。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2915999|当Windows4.6安装在Windows10上时，这是一个已知的InstallShield错误。|2916000|https://flexeracommunity.force.com/customer/articles/en_US/ISSUE/HOTFIX-Install-Fails-With-Error-1001-When-a-NET-Installer-Class-Component-is-Present-in-InstallShield-2015-SP1|offset|length|2916001|entityMap|0|LINK|mutability|MUTABLE|url^0|0|0|0|4V|0|0^^$0|@$1|2|3|4|5|6|7|O|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|P|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|Q|8|@]|9|@$F|R|G|S|1|T]]|A|$]]|$1|H|3|-4|5|6|7|U|8|@]|9|@]|A|$]]]|I|$J|$5|K|L|M|A|$N|E]]]]

Hopefully this will help some of you encountering the Error 1001 when trying to install a .NET Windows Service using InstallShield 2015 LE installer project with the Primary Output set as an Installer. 

It's a known InstallShield bug when .NET 4.6 is installed on Windows 10.

<a href="https://flexeracommunity.force.com/customer/articles/en_US/ISSUE/HOTFIX-Install-Fails-With-Error-1001-When-a-NET-Installer-Class-Component-is-Present-in-InstallShield-2015-SP1" rel="nofollow noreferrer">https://flexeracommunity.force.com/customer/articles/en_US/ISSUE/HOTFIX-Install-Fails-With-Error-1001-When-a-NET-Installer-Class-Component-is-Present-in-InstallShield-2015-SP1</a>

blocks|key|791433|text|验证在要安装软件的计算机上是否安装了正确版本的.NET框架。版本显示在项目属性中。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|791434|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

Verify that you have the correct version of the .NET framework installed on the machine that you are installing the software to. The version is shown in the project properties.

I have an application with an installshield installer. I install a service and a windows form.

Whenever I install the application on computers where I have installshield it installs, but when I try to install it on other machines it gives me Error 1001.

I am using Installshield LE, Visual Studio 2010. I am using the same OS on the development machines and on the machines where I would like to install, Windows 7.

Anyone has any idea how could that problem sorted? I tried to add all of the installshiled references what I could, but it did not change anything. 

Regards
Daniel

Installshield error 1001 without installshield installed

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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我有一个带有安装程序的应用程序。我安装了一个服务和一个windows窗体。每当我在已经安装了machines的计算机上安装该应用程序时，它都会被安装，但当我尝试在其他计算机上安装它时，它就会给我错误1001。我使用的是Installshield LE，Visual Studio2010。我在开发计算机和要安装的计算机上使用相同的操作系统，即Windows7。有人知道这个问题是如何解决的吗？我试着尽

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