"Internet Explorer Cannot Download" Error Message When You Use an HTTPS URL to Open an Office Document or PDF File

Symptoms

When you try to open a Microsoft Office document or a PDF file by typing an HTTPS Uniform Resource Locator (URL) for the document on the Address bar in Internet Explorer 6 Service Pack 1 (SP1), the document may not open, and you may receive the following error message: Internet Explorer cannot

Note: For Internet Explorer 9, please see the following KB article:

Error message when you download files by using Internet Explorer 9 from secure websites: "