After having KNIME plafform installed and running on a Windows environment, I was able to upload data to be analyze. However I encountered an error when going to install extensions.
I took the following steps:
1. Open KNIME Plataform
2. Going to install Extension following video guide
3. Under File, selecting Install KNIME Extensions
4. I get the error: Contacting Software Sites has encoutered an error. - Link to a screen shot of the error
Will appreciate if you can advice how to overcome the error.