Group in Details should be changed to "Admin."
If it is impossible, please change in the following steps.
Step 1:
The owner in detailed information should be changed to an admin name. ("maki" is chosen in figure)
If you cannot choose a pop up menu, please click a lock icon. (You need the password for Admin)
Step 2:
Group in Details should be changed to "Admin."
Please check that "access" under a group is "read & write" at this time.
If not, please change it to "read & write"
Step 3:
The owner in detailed information should be changed to a System. (It will back to before)
Please make sure that Group in Details should be read to "Admin."
After well changes, click the "Apply to enclosed items"
button.
Please close the window when you well done.