McAfee Real Time Virus Scan prevents the required R packages from being installed correctly. Please disable the real time scanning temporarily during the installation of the R packages with Exploratory Desktop.
Steps to disable it temporarily
1. Open McAfee Windows
2. Click the panel for “Virus and Spyware Protections"
3. Click the panel for “Real-Time Scanning”
4. Click Turn Off button
5. Click Turn Off button on the dialog
Now 'Real-Time' scanning should be turned off. You can click on 'Start Setup' button in Exploratory Desktop's setup UI or restart Exploratory Desktop, which will show you the setup UI.