Cannot open backup device. Operating System error 5

Question

Below is the query that I am using to backup (create a .bak) my database.

However, whenever I run it, I always get this error message:

Answer 1

I solved the same problem with the following 3 steps:

1. I store my backup file in other folder path that's worked right.
2. View different of security tab two folders (as below image).
3. Edit permission in security tab folder that's not worked right.