You might want to try Wubi 9.04 beta, although a beta, it is more robust to the type of issues you report:
Simply download and run the following: http://people.ubuntu.com/~evand/wubi/jaunty/stable
You might want to try Wubi 9.04 beta, although a beta, it is more robust to the type of issues you report:
Simply download and run the following: http:// people. ubuntu. com/~evand/ wubi/jaunty/ stable