Created Unassigned: Error Message - SOS please! [65165]

I couldn't even run the app. Please help me.

An error occurred trying to download 'http://www.nodexlgraphgallery.org/NodeXLBasicSetup/Smrf.NodeXL.ExcelTemplate.vsto'.

See the setup log file located at 'C:\Users\JEROME~1\AppData\Local\Temp\VSDC216.tmp\install.log' for more information.