uninstall ubuntu 9.1

[blksilver]

I need help uninstalling ubuntu 9.1 OS

[basil2style]

if you use "install inside windows",You can uninstall ubuntu by just uninstalling.
OR
You need to format using other os disk.

[MAFoElffen]

I need help uninstalling ubuntu 9.1 OS
Do you have a traditional default install (Linux partition) or an old Wubi install (in MS Windows)?

What else do you have on that computer?

What is your goal (end result)?