Downlaoded community version of UiPath 18.2.3 version on Windows 10 Pro, does not launch UIPath studio at all. Below is the screenshot of how it looks
When I see the logs it shows 4:54:14:913 => [ERROR] [UiPath.Workflow.Logging.StudioTraceListener]  System.IO.FileNotFoundException: Could not find file ‘C:\Users\username\AppData\Local\UiPath\UiStudio.settings’.
I would suggest re-installation of Studio to fix potentially corrupted files. On top, please make sure no protection software interferes with installation / run of Studio/Robot. Not having access to the files when launching Studio is often related to that.