Work your way down in the registry to H_KEY_LOCAL_MACHINE is as follows: Software/Microsoft/Internet Explorer/Main and Feature Control.
Create a new registry key by clicking on Edit and choosing New from the drop-down menu. Click on Key and then enter FEATURE_PRESERVE_SPACES_IN_FILENAMES_KB952730. Then create a new registry value by clicking on Edit and choosing New on the menu and selecting DWORD Value. Enter iexplore.exe and then hit the Enter key. In the new window, click on Edit on the main toolbar again and choose Modify and enter 1. Click on OK and close the registry.