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When I try to download Ubuntu 12.04 using the Windows installer (Wubi) through a proxy server which requires proxy authentication, after I choose the Ubuntu installation size, username and password, when I click the Install button, I get this error:

An error occurred:
Could not retrieve the required disk image files
For more information, please see the log file:
c:\users\(myusername)\appdata\local\temp\wubi-12.04-rev266.log

The log file says: proxy authentication error

How can I solve this problem?

Zanna
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Freed Ahmad
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2 Answers2

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First try to extract the installation files from the .iso. Then put the .iso file into the folder where its contents were extracted. For example, put ubuntu-12.04-desktop-i386.iso (or whatever your .iso file is called) into a folder named ubuntu-12.04-desktop-i386 that was created by extracting the .iso itself. Then try installing again.

If you don't have the ability to extract the contents of an .iso file, you can do this in your Windows system with 7-Zip.

Eliah Kagan
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Abdi Tolesa
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Download the iso first and then extract it. This could be done by WinRar or 7Zip.

  1. Now, disconnect to the internet to avoid redownload of the iso file. Then, open wubi.exe that include inside the iso that you has extracted.
  2. Next, input all nessesary infomation and let the process run.
  3. After the installation is complete. Boot to Ubuntu and setup your network connection
  4. Then open Sofware Updater and update your Ubuntu.

Done, you are ready to use.

Waldir Leoncio
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leorize
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