After implementing HotFix 1 for Toolset on the Web 11.0.1, the Toolset tab within the Orion Web interface is no longer providing tools. The error returned within the Web Resources is There was an error rendering. If you then click "View Details", you get "There was no response from the Toolset Service Engine located at "[Orion Address]:17777.
This normally occurs if the new DLL file contained in the HotFix zip file is not unblocked before being implemented.
Once this has been completed, reimplement the HotFix using the following steps: