If 1) Umbraco admin tree is not showing up and 2) is determined not to be a problem with the trees.config file and 3) Clicking on any of the navigation elements gives you Request error: The URL returned a 404 (not found): views/propertyeditors/undefined/undefined.html Check permissions on the website folder for iis users. Easy way is to give machinename\users full security access on the folder.
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