Which zip file corrupted after download

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One of the most common issues which, IT teams across companies tend to experience is the persistent complain about corrupted zip files. Strangely when they check the corporate website, they may find the said zip files to be perfectly in order. Upon further investigation it may be revealed that some users are able to download the files properly while in case of others, files get corrupted during the download process.

This bizarre behavior can simply make like difficult for an average user and even the IT support staff. There are two primary causes behind the occurrence of this issue. The first one is at the server end whereby the server is tailored to gzip files that are downloaded. In other words the web server places a Unix compression method on the zip file which may cause a data corruption issue during the download. The second reason is the inability of Internet explorer to properly download such zip files.

In order to resolve the issue you can try downloading the files using a different browser such as Mozilla Firefox or Google Chrome. Lasse V. Karlsen Lasse V. Karlsen k 94 94 gold badges silver badges bronze badges. If I download a text file using the same technique then it opens the text file perfectly. But when I use zip file it says "The compressed zip folder is invalid or corrupted" I think I need to send additional response headers but what?

Did you try dragging the file into notepad as I suggested? For zip program I am using the Windows Compressed Folder thingy! Length]; fs. Read buffer, 0, int fs. Length ; fs. Close ; Response. Clear ; Response. AppendHeader "content-length", buffer. ToString ; Response. BinaryWrite buffer ; Response. Flush ; Response. End ;. Even if I try application. ClearContent ; Response. ClearHeaders ; Response. AppendHeader "Content-Length",info.

TransmitFile fileUrl ; Response. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password.

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