installer fails

Did you MD5 test the ISO you downloaded?

wubi.exe failed in Win7 whether downloaded as a single file or as part of
the iso.

I have just compared the checksum on the iso, and it succeeded.

Apparently I (mistakenly) thought I could install Ubuntu without making a
separate partition for it. I want linux (preferably Ubuntu) alongside
Windows7 without having to reboot to use it. Now I believe this is
impossible (in contrast to cygwin).

Today I'll anyway install Ubuntu in a proper partition (using a CD burnt
with the iso) and expect it to work.

We can now close this issue.

On Sat, May 8, 2010 at 12:13 AM, actionparsnip <
<email address hidden>> wrote:

> Your question #110071 on Ubuntu changed:
> https://answers.launchpad.net/ubuntu/+question/110071
>
> Status: Open => Needs information
>
> actionparsnip requested for more information:
> Did you MD5 test the ISO you downloaded?
>
> --
> To answer this request for more information, you can either reply to
> this email or enter your reply at the following page:
> https://answers.launchpad.net/ubuntu/+question/110071
>
> You received this question notification because you are a direct
> subscriber of the question.
>

The MD5sum check is very useful. Please remember to MD5 test BEFORE using data you have downloaded as a bad download will give a bad install.

Even if you use wubi, you will need to reboot to change the OS. If you want that sort of functionality then I suggest virtualbox or vmware.