If when you try to uninstall Internet Explorer 7 and you receives the following error message:

Setup cannot copy the file Ieeula.chm

You will need to follow Microsoft way of fixing the problem.

1. Click Start, type %windir%\help in the Open box, and then click OK.
2. Right-click the Ieeula.chm file, and then click Copy.
3. Exit Windows Explorer.
4. Click Start, type %windir%\IE7 in the Open box, and then click OK.
5. On the Edit menu, click Paste.

Uninstall Internet Explorer 7 again.