.DOWNLOADHOST File Extension
File TypeMSN Download Settings File
What is a DOWNLOADHOST file?
Stores file download settings for MSN software; included with the MSN installation and required for downloading files and checking e-mail; typically named "MSN#.downloadhost."
If the Downloadhost file becomes corrupt or is missing, the MSN software may display a "Downloadhost File" error. To recover the Downloadhost file, first select "Run..." from the Windows Start menu. Then type the following in the text box:
This should restore the Downloadhost file and allow MSN to download files and e-mail messages again.
Also see the related .MAILHOST entry.