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  • Nigel Wilson 945 posts 2077 karma points
    Mar 19, 2011 @ 18:37
    Nigel Wilson

    Error in installation of package

    Hi ther

    Have just tried installing the package and got the following error message.

    Could not upload file
    System.Exception: Error unpacking extension... ---> System.IO.FileLoadException: Could not load file or assembly 'ICSharpCode.SharpZipLib, Version=, Culture=neutral, PublicKeyToken=1b03e6acf1164f73' or one of its dependencies. The located assembly's manifest definition does not match the assembly reference. (Exception from HRESULT: 0x80131040) File name: 'ICSharpCode.SharpZipLib, Version=, Culture=neutral, PublicKeyToken=1b03e6acf1164f73' at umbraco.cms.businesslogic.packager.Installer.unPack(String ZipName) at umbraco.cms.businesslogic.packager.Installer.Import(String InputFile) WRN: Assembly binding logging is turned OFF. To enable assembly bind failure logging, set the registry value [HKLM\Software\Microsoft\Fusion!EnableLog] (DWORD) to 1. Note: There is some performance penalty associated with assembly bind failure logging. To turn this feature off, remove the registry value [HKLM\Software\Microsoft\Fusion!EnableLog]. --- End of inner exception stack trace --- at umbraco.cms.businesslogic.packager.Installer.Import(String InputFile) at umbraco.presentation.developer.packages.Installer.uploadFile(Object sender, EventArgs e)

    The site is running version 4.5.2 

    Any ideas 



  • Richard Soeteman 4042 posts 12890 karma points MVP 2x
    Apr 01, 2011 @ 12:48
    Richard Soeteman

    Hi Nigel,

    Sorry completely missed this post. The messsage indicates that the package installer can not find the ZIP Library. I assume you can't install other packages as well. Whta I would do is copy over the original dll's from the umbraco zip to the bin folder of your install.

    Hope this helps you,





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