I tried installing the latest version of ubuntu using wubi. The initial stages of installation went smoothly. But after rebooting, when the Ubuntu was actually installing/ configuring, there was just a small black, blank window with title as "Install". There was no message displayed in it, but the mouse pointer showed busy sign. I was not connected to the Internet while installing, but still the window lasted forever without any prompt or any other option and this was for like 2 hours. So, from the options on the right top corner, I turned off my laptop. On rebooting, it gave me some error. I booted into Windows, uninstalled and again installed Ubuntu, but for no luck. I faced the same problem. Previously, I had Ubuntu 11.10 installed on my laptop using wubi. Please help!
closed as off topic by Jorge Castro, fossfreedom♦ Nov 13 '12 at 16:24
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I had the same problem, but solved by downloading the 64-bit version of Ubuntu, since my Acer laptop is 64-bit.
I have an HP dm4 laptop (not sure how similar our systems are) and have encountered a few problems trying to install Ubuntu via Wubi. However, I eventually was able to get it sorted out.
First, when you are installing Ubuntu make sure you are using Wubi.exe itself and not mounting an ISO of ubuntu-12.04-desktop-amd64.iso.
Also, make sure that when you run Wubi.exe the wubi installer downloads this file: ubuntu-12.04-wubi-amd64.tar.xz. This file will be downloaded, extracted and expanded onto the virtual partition, pretty much doing the entire installation within Wubi.
I would suggest you download the latest Wubi.exe from Ubuntu and save it to a folder where there are NO Ubuntu ISO images. Otherwise, Wubi will begin copying the data from those images which is what we want to avoid.
When you reboot you should see "Ubuntu is preparing to run for the first time" or something similar. (On my hp dm4 my screen always dims totally black requiring me to make adjust the brightness). After a minute or two, you should automatically be given the login prompt and your system is ready for use.
Hope this helps.