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POMSI Error - Failure of regsvr32 custom action
 

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  1. POMSI Error - Failure of regsvr32 custom action
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    <h2>Brief</h2> <p>I have an installation package (MSI based) which attempts to register a dll file for use as a Windows Explorer Bar (Internet Explorer Toolbar).</p> <p>The custom action is defined as follows:</p> <pre><code>[SystemFolder]\regsvr32.exe /s "pathtodllhere" </code></pre> <h2>The error</h2> <ul> <li>The regsvr32 custom action does <strong>not</strong> work on Windows XP 64-bit.</li> </ul> <p>Output from MSI log:</p> <blockquote> <p>CustomAction SystemFolder_2 returned actual error code 5. Error 1722. There is a problem with this Windows Installer package. A program run as part of the setup did not finish as expected. Action SystemFolder_2, location: C:\Windows\SysWOW64\, command: regsvr32.exe /s "C:\Program Files (x86)\Test Install\test.dll"</p> <p>MSI (s) (10:F4): Product: Test Install -- Error 1722. There is a problem with this Windows Installer package. A program run as part of the setup did not finish as expected. Action SystemFolder_2, location: C:\Windows\SysWOW64\, command: regsvr32.exe /s "C:\Program Files (x86)\Test Install\test.dll"</p> </blockquote> <p>A brief run-down of my tests/thoughts thus-far:</p> <ul> <li>Custom action is in the "InstallFinalize" section, it is therefore run ONLY when the files have been dropped onto the hard drive.</li> <li>Dll file is <strong>not</strong> corrupt and is valid.</li> <li>Regsvr32 custom action works fine (and MSI installation) on: Windows 7 32-bit and Windows XP 32-bit.</li> <li>Regsvr32 32-bit version is executed during 64-bit install (as it should).</li> <li>Regsvr32 fails with error code 5, i.e. ERROR_ACCESS_DENIED.</li> </ul> <h2>Solutions and Musings</h2> <ol> <li>Self-registration - Not using regsvr32 and manually place the registry keys using my MSI Installer.</li> <li>The dll is a Delphi COM dll which uses the TRegistry component to register itself. Again, I can't think of a reason why this wouldn't work as it is merely a wrapper, but just a thought.</li> </ol> <p>Hopefully I have shown my research here and don't waste anyone's time!</p>
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    1. COWell, you shouldn't be using self-registration anyway. You should be specifying the reg keys in the MSI. If it can be done in the MSI, it should be. As for what's wrong it just sounds like you don't have sufficient rights. Error 5 is what you would get when installing as a standard user. No doubt you are writing to HKLM.
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      1. USDavid Heffernan
    2. COError code 5 is `ERROR_ACCESS_DENIED`, as David said. You don't have sufficient rights to access the registry location that `regsvr32` is using.
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      1. USKen White
    3. COWhat setup authoring tool are you using to generate the MSI?
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