In this page, some common problems that you may experience are listed together with tips for their resolution.
The source doesn't correctly load or the xpaths don't correctly apply
In Curiosity Studio, the document is properly loaded in the Browser View, but the "Inspect Selection" fails
If your problem cannot be solved by checking the above lists, it may be a bug: feel free to notify it to the author, by reporting a detailed description about the experienced trouble - please, attach error logs (in Curiosity Studio right click the status bar) and information about your Curiosity configuration.
Nonetheless, you must be aware that, as it is stated in the license as well, CURIOSITY IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND.