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Editorial Team
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Asked: 2026-05-16T12:44:32+00:00

I am trying to create a zip file and save it using DotNetZip library.

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I am trying to create a zip file and save it using DotNetZip library.

But for some reason i get a “Access to the path is denied” error when i try to save it. Code4 is below

Dim zipFile As New ZipFile()
zipFile.CompressionLevel = Ionic.Zlib.CompressionLevel.BestCompression
zipFile.AddFile(filePath)
Dim tempFilePath As String = "abc.zip"
zipFile.TempFileFolder = "D:\Company Data\Operations\media\test_folder_cover_scan\"
zipFile.Save(tempFilePath) <== error line

I have given all possible access to the folder. I am using .net 3.5. This whole code works in a web service

Please advise

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1 Answer

  1. Editorial Team

    The backslashes in your TempFileFolder are not escaped which might cause a problem. Try using a verbatim string literal instead.

    zipFile.TempFileFolder = @"D:\Company Data\Operations\media\test_folder_cover_scan\"

    Also, the tempFilePath in your example doesn’t include a full path, could it be that it is trying to save the ZIP into a different folder from the one you are expecting (and have assigned permissions to)?

    Have you assigned permissions to both the temporary file folder AND the real destination folder?

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