install Knime extension error

Hi I’m new to Knime and a error message just popped up when I tried to install a extension. details are below:

and my version info:

Hi there @erron,

welcome to KNIME Community Forum!

Which extension where you trying to install? Are you behind proxy?

Here you can find more information about extension installation:
https://www.knime.com/downloads/update

If error persist feel free to come back and we will try to figure it out.

Br,
Ivan

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thanks for your reply. I tried to install again in another network environment and it worked. Seems my office’s network has special security config. anyway, Thanks a lot!!

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Glad you found a solution :slight_smile:
Br,
Ivan