The "Download Manager" responds with "Windows cannot open this file:  File: MSN17.downloadhost"   The numbers following MSN vary and increase incrementally if attempts to open it are repeated. 

Hi,There is a possibilty that MSN is corrupted which is causing the download manager to give you errors while downloading. You might need to remove and reinstall MSN ro fix this issue.To remove MSN, click the link below:http://answers.msn.com/solution.aspx?solutionid=115dc6c5-4ae7-4e38-8e0b-3eac07d020faClick the link below for reinstalling MSN:http://answers.msn.com/solution.aspx?solutionid=03fe3670-ac35-4523-834a-b6835219beb0Hope this helps.Thanks,Paolo M.