KNIME Extension Installed, but node doesn't show up

Running KNIME 4.2.2 on Windows 10.

Trying to utilise the XLS Background Colorizer Node.

Have dragged and dropped it into KNIME and installed the Continental Nodes for KNIME extension.

When dragging and dropping it in again (after successful installation and restart), it’s saying that the extension is not installed, and if I try to install again, it is recognising the previous installation and won’t proceed.

I have uninstalled the extension, reinstalled it, restarted etc.

What to do?

Many thanks


Hello @knightyboy,

have you tried starting KNIME with -clean parameter? See this topic for more:


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