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What to do with an Ubuntu disk image that appears as a WinRAR file?

rated 0 times [ 7] [ 0] / answers: 1 / hits: 5319 / 3 Years ago, fri, may 7, 2021, 3:22:38

I've never used Ubuntu before. Just heard from some friends. "IT'S GREAT!!!", they used to say. So i decided to try it. I downloaded WUBI, and ran it but 'twas takin' too much time. So I decided to download the .ISO Image file separately. It couldn't download more after 150 mB, and got interrupted (and cancelled) itself. I just went to Ubuntu's Website, and further went to Ask Ubuntu, and searched for my question. After having found a related one, which told

"try the torrent way"

So I downloaded it through the torrent. And after that when I opened the .rar file, there wasn't any .ISO image file; just some folders with names like .disc, boot, ISOLINUX, etc. I searched for the .ISO file but nothin' there: ANYONE HELP ME, PLEASE!!! or this will drive me into never thinkin' about Ubuntu again.

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answered 3 Years ago avilyexplor · Accepted Answer

The file probably did not actually have a .rar extension. It probably showed no extension, and when you double-clicked it, it opened in WinRAR. That looks like this:

Windows Explorer, showing an Ubuntu ISO image as a WinRAR file, even though it is not a .rar file.

And when you opened it, it probably looked something like this (the files inside may have been different, though, as it appears you downloaded the alternate CD):

WinRAR, having opened an Ubuntu ISO image.

This happens when these two conditions both hold:

Windows is configured to Hide extensions for known file types, which is the case by default.

^{It's not necessary to change this setting, but if you want to do so, Folder Options is in Control Panel (in Windows Vista and later, it's in the Appearance and Personalization category).}

WinRAR is installed, and configured to open ISO images.

^{It's not necessary to change this either, but if you want to after installing WinRAR, open WinRAR and go to Options > Settings... and click the Integration tab. You can adust file associations there. You can also adjust them in the Default Programs applet in the Control Panel (it's in the Programs category).}

This is unrelated to how you obtained the ISO image. The problem is that you're opening the ISO image as an archive. You don't have to use WinRAR on the ISO image. Instead...

If you want to install Ubuntu alongside Windows (or replace Windows with Ubuntu):

Burn the ISO image to a CD/DVD or write it to a USB flash drive, then boot from that. See:

How to burn a DVD on Windows

How to create a bootable USB stick on Windows

How do I install Ubuntu?

If you want to install Ubuntu inside Windows using Wubi:

You can install a Wubi system from a pre-downloaded ISO image by downloading wubi.exe from the Ubuntu website (this is a very small file), then make an empty folder, and put wubi.exe and your ISO image (which, as explained above, may not show any file extension) in that folder. Then run wubi.exe. Make sure wubi.exe and the ISO image file are for the same version number of Ubuntu.

However, you need the desktop CD/DVD image for this. You seem to have downloaded the alternate CD, which is not suitable for this purpose.

And for readers wishing to install Ubuntu via Wubi on computers that shipped with Windows 8 preinstalled: at least currently that is not supported and will not work. (But you can still create a regular (non-Wubi) Ubuntu installation.)

As a related but somewhat different situation, sometimes users confuse an ISO image and the program that opens it. See Ubuntu image download either downloaded or opened Roxio instead. Why? (In contrast, here the confusion is between an ISO image and another file type opened by the program set to open ISOs.)