restore IE Download dialog box Options

Use IE to download the file will always pop up a dialog box asking you how to deal with the document, the following will be asked after the discovery of such documents to the same treatment. The default option is selected, if you cancel the selection, we regret that you will no longer have the opportunity to select it. Regret, how to do?

1) Run the command regedit.

2) start to the registry as follows:
HKEY_CURRENT_USER\Software\Microsoft\Windows\Shell\AttachmentExecute\{0002DF01-0000-0000-C000-000000000046}

3) And delete it.