Error trying to save file

Running wyUpdate with a properly configured client.wyc file yields this:

Error trying to save file: Error downloading "<myupdatefileurl>.wyu": The underlying connection was closed: An unexpected error occurred on a send.

I can copy and paste my complete file name in quotes above into a browser and it downloads correctly. Been fighting this for 2 hours and think it is beyond my configuration. I don't have access to the server logs, but HostGator is the company's host.

Any ideas?

Thanks

, edited

Clearly something is messed up on the server. You need access to the logs to see what.

Make sure you're using HTTP or preferable HTTPS (because it's harder to mess up HTTP/HTTPS, and FTP servers are almost *always* misconfigured).

Also, try clearing your cache in Internet Explorer.

Believe this was related to security settings on the web site/server. Changed to another provider which now works. However, had to set some kind of MIME settings to allow non-html and non-txt files to be allowed to be downloaded via HTTP.