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POWhy do I get a 1720 error when my InstallShield setup tries to run my VBS custom action?
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  1. POWhy do I get a 1720 error when my InstallShield setup tries to run my VBS custom action?
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    copied!<p>The Custom Action is configured as follows:</p> <blockquote> <p><strong>Custom Action Name</strong>: MyCustomAction</p> <p><strong>VBScript Filename</strong>: <code>&lt;PathVar01</code>>\MyFolder\MyVBSfile.vbs</p> <p><strong>ScriptFunction</strong>: MyFunction</p> <p><strong>Return Processing</strong>: Synchronous (Check exit code)</p> <p><strong>In-Script Execution</strong>: Immediate Execution</p> </blockquote> <p>It is being executed via the following InstallScript code:</p> <pre><code>result = MsiDoAction(ISMSI_HANDLE,"MyCustomAction"); </code></pre> <p>When the setup reaches that line in InstallScript, the installer shows an error alert, stating:</p> <blockquote> <p>"Error 1720.There is a problem with this Windows Installer package. A script required for this install to complete could not be run. Contact your support personnel or package vendor."</p> </blockquote> <p>The result code returned by MsiDoAction is that of '1603', which, <a href="http://msdn.microsoft.com/en-us/library/ms819773.aspx" rel="nofollow noreferrer">according to winerror.h</a>, is:</p> <pre><code>// // MessageId: ERROR_INSTALL_FAILURE // // MessageText: // // Fatal error during installation. // #define ERROR_INSTALL_FAILURE 1603L </code></pre> <p>Why is this happening? I was starting to doubt that the file was included properly. Yet, I am pointing to the correct file, and I've tried including the VBS via the InstallShield Support Files, thinking this would ensure the file was present with the setup, but same result.</p>
 

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