How to install ubuntu 14.04 using wubiguide

What is Wubi?

Wubi is an officially supported installer for Windows XP, Vista and 7 users that allows Ubuntu to be installed and uninstalled in a safe, easy way as with any other Windows application.

What about Windows 8?

At this time, Wubi does not work with Windows 8 default boot-loader. Thus at this point Wubi would not work on a new Windows 8 machine. You would be able to install, but not reboot into Ubuntu.

If you upgraded to Windows 8 and are using BIOS firmware, Wubi does work, but do not enable hybrid-sleep on Windows 8.

How to use this guide

Please note that this guide is only for issues directly related to the Wubi installer; for general Ubuntu questions please use appropriate resources such as the official Ubuntu documentation, the Ubuntu Forums, or the Ubuntu Guide.

You might also be interested in the Ubuntu Forums Installations & Upgrades section.


Wubi uses a virtual disk that is sensitive to forced shutdowns. If Ubuntu appears to be frozen please refer to: How to reboot cleanly even when the keyboard/mouse are frozen

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How do I download Wubi?

Download Wubi from the Ubuntu Windows Installer cdimages page; this will download the latest version. You can download other versions from the Ubuntu pages on, e.g. 12.10, look for wubi.exe at the bottom of the page. Wubi is also included on Ubuntu Desktop and Kubuntu CDs.

How do I install Ubuntu?

Run Wubi, insert a password for the new account, adjust other settings such as the disk space, and click “install”.

The installation process from this point on is fully automatic.

The installation files (approximately 700MB) will be downloaded and checked, after which you will be asked to reboot.

Do so and select Ubuntu at the boot screen. The installation will continue for another 10 to 15 minutes and the machine will reboot again.

That’s it. Now you can select Ubuntu at the boot screen and start using it.

Screenshot of the installation screen

The standard installation has default settings that should work on most hardware.

How do I select whether to run Windows or Ubuntu?

You can choose to run Windows or Ubuntu at the system boot screen.

Screenshot of the boot screen

How do I install Wubi on a machine with no Internet connection?

Wubi also works with physical Ubuntu Desktop Live CDs. Wubi.exe is available in the root folder of the CD.

If you do not have a CD, try to find a computer with Internet access, and download both Wubi.exe and the required Desktop ISO from the same location (the release has to match):

Copy both files into the same folder on the machine with no Internet access and run the Wubi executable.

Where do I find older versions of Wubi?

Older versions of Wubi can be found on the SourceForge page.

How can I use a manually downloaded ISO?

You need to download the DESKTOP CD ISO of the appropriate version. Place the ISO in the same folder where you have wubi.exe and then run Wubi. For example, Wubi 11.10 requires the 11.10 DESKTOP ISO, available here.

Note that you need a DESKTOP CD ISO. A DVD ISO may not work (except for Edubuntu). Alternate ISO files are not supported.

Why is the AMD64 version of Ubuntu being downloaded and installed?

The machine you are trying to install Ubuntu on is 64 bit. The AMD64 installation is appropriate for all 64 bit architectures, no matter if they are AMD or Intel.

Can I force Wubi to download and install a 32 bit version of Ubuntu?

Yes. Either pre-download the appropriate 32 bit ISO manually and place it in the same folder as Wubi.exe or start Wubi from the command prompt with the “–32bit” argument.

To modify arguments without using the command prompt, right-click Wubi.exe and select “Create Shortcut”. Then right-click the shortcut, select Properties, and modify the Target line, for example: “C:\Documents and Settings\<user>\Desktop\wubi.exe” –32bit

Can I force Wubi to install if I have less than 256MB of memory?

Yes. start Wubi with the argument “–skipmemorycheck”. The installer may not work in such conditions.

Can I force Wubi to install even if I have less than 5GB of free disk space?

No. From release 11.10, 5GB is required as a minimum including enough space to store the ISO. On older releases, start Wubi with the argument “–skipspacecheck”. Even on older releases, you’ll still require 3GB of space plus room for the ISO. Pushing this limit too hard may cause errors.

Can I force Wubi to skip the md5 checks?

Yes. Start Wubi with the argument “–skipmd5check”.

Which Operating Systems are supported?

Windows 7, Vista, XP, and 2000 are known to work with Wubi. Windows 98 should also work, but has not been thoroughly tested. Windows ME is not supported. Linux is supported through Lubi.

What happens if the installation is interrupted?

If the installation is interrupted for any reason, you will have to run Wubi.exe again from within the Windows installation (which in turn may force you to uninstall first).


Upgrading from 12.04 to 12.10 is supported. FIXME other

Upgrading from releases 10.04 and later is supported. Please review the applicable release notes before hand. Ensure you have sufficient free space, and consider backing up the \ubuntu\disks directory (from Windows) in case there are any errors, or you prefer to revert to the old release.


How do I uninstall Wubi?

Run the uninstaller in “Control Panel > Add or Remove Programs” for Windows XP or lower or “Control Panel > Programs and Features” for Windows Vista or Windows 7. Alternatively, you can run: C:\ubuntu\Uninstall-Ubuntu.exe.


If the uninstaller fails, try downloading and running Uninstall-Ubuntu.exe.

How do I manually uninstall Wubi?

Remove C:\ubuntu and C:\wubildr*

In Windows XP you need to edit C:\boot.ini and delete the Ubuntu/Wubi line. Alternatively you can modify the boot menu via Control Panel > System > Advanced > Startup and Recovery and pressing “Edit”. For Windows 98 you have to edit C:\config.sys and remove the Wubi block. For Windows Vista/7, you can use the built-in bcdedit command or install EasyBCD to edit the boot menu. To use bcdedit, run cmd.exe as an administrator, then enter bcdedit to show all boot entries, note the {GUID} specified for the Ubuntu entry, and then remove it: bcdedit /delete {GUID}

To remove Wubi from the add/remove list, delete the registry key: HKLM\Software\Microsoft\Windows\CurrentVersion\Uninstall\Wubi

An easy method of removing this registry key is to paste the following text into a plain editor such as Notepad, close and save the file as something like removeWubiKey.reg (you may wish to go to Folder Options > View and disable the “Hide file extensions for known file types” option to check that the .reg extension has been applied correctly). Then you can perform the rest automatically by opening the file in the normal Windows manner, or choosing the “Merge” option from the right click context menu. Note: The formatting is rather strict, so copy the text exactly for best results. You may need to be logged in as the administrator to delete the key, depending on the version of Windows you are using. User Account Control in Vista may also ask for permission, in the typical fashion.



After deleting the registry key, Ubuntu may still appear in the program list. If this is the case, you may be asked if you would like to remove the item from the list.

How do I reinstall Wubi?

Run Wubi.exe again. Wubi will detect that there is an existing installation and you will be offered an option to uninstall. You may want to backup the installation files (the ISO) in order to avoid having to download them again. Note that when you reinstall, the system virtual drive (root.disk) is reset.

How can I make a backup of my Wubi install?

The easiest method is to to simply copy the root.disk to an external medium. In the event that something goes wrong, copy the root.disk back to the Ubuntu folder on the Windows drive. Note that this is not the most efficient method (since it copies the whole root.disk rather than specific data/settings) but it is effective.


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