My account is a Local Admin account and does have access to the folder.
Well, it does not look like it has the access.
Follow this guide to test the access:
https://winscp.net/eng/docs/guide_debugging_scheduler#file_access
Before posting, please read how to report bug or request support effectively.
Bug reports without an attached log file are usually useless.
My account is a Local Admin account and does have access to the folder.