It says you don't have access to that folder, so I'm curious if you're logged on to the user "Vanessa" on the computer? Only that username (as well as administrators) will have access to that folder. If you copy paste "%appdata%\..\LocalLow\Ludeon Studios\RimWorld by Ludeon Studios" into the explorer address field, it should take you directly to that folder, assuming you're on windows 7. Do the paths match?
Edit: And while you're in that folder, you may want to right click, and select properties, and from there check the "Security" tab, to see if the user you're logged on as has access to:
Modify, Read & Execute, List Folder Contents, Read, Write.
Edit: And while you're in that folder, you may want to right click, and select properties, and from there check the "Security" tab, to see if the user you're logged on as has access to:
Modify, Read & Execute, List Folder Contents, Read, Write.