You may see the 'Internet Options' window opening up whenever Internet Explorer is opened. In this case, follow these procedures:
1: Right click on start menu and click on 'properties'.
2. Then click on the 'Customize' button.
3. Under 'Show on start menu', make sure the 'Internet' box is checked.
4.The drop down menu near the 'Internet' checkbox shouldn't be blank and 'Internet explorer' should be selected there.
5. If you have the above things correct, then click 'OK', and click 'OK'. It should open Internet explorer without any problem.