I assume the following in adding this
- You can still boot to windows
- You see the screen, as shown, when you choose Ubuntu from the
Now as it is almost confirmed that you have a RAID array, on which
wubi is not supported , as @izx has already pointed out, you have two options IMO.
- Follow what izx has suggested.
- Remove the wubi install, using any of the method listed here, esp try bcdedit tool, if simple uninstall doesn't work.
If you prefer to proceed with the second option, you can still use ubuntu on your work's computer by Installing Ubuntu on an external hard disk or a USB drive.
Note : This is useful only if you cannot/don't wish to create a partition on the computer, but still want to use Ubuntu.