After downloading LEAN and opening it in Visual Studio (I'm still on VS 2017), when you attempt to build it for the first time, you may encounter this error:
error MSB3821: Couldn't process file WinForms\LeanWinForm.resx due to its being in the Internet or Restricted zone or having the mark of the web on the file
The fix I found for this is to locate the file in the code base (...\Lean-master\UserInterface\WinForms\), right click on the file name (LeanWinForm.resx), and select properties. At the lower right hand corner of the properties panel, you will see a checkbox for the option 'Unblock'. Click on the box to check it, save the properties, and then rebuild LEAN. This should allow you to build without the error.
Remark: Once you have checked this option, if you open the properties again, the option box will not be present.
Reference: Link below on StackOverflow, 2nd answer.
https://stackoverflow.com/questions/51348919/couldnt-process-file-resx-due-to-its-being-in-the-internet-or-restricted-zone-o#51349305
Douglas Stridsberg
Thank you for sharing! Never had this error myself, but it's good that we now have a searchable fix in the forums!
Daniel Hanson
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