Make sure superuser.apk is in your system app folder then double click on
superuser.apk and install in it will correct it. its just not seeing the folder.
[ROM] AT&T 4.5.91 ★ Gingerbread 2.3.4 ★ Beta #4
Edgans Custom kernel
LG Thrill on Family Mobile Unlocked rooted and ready
HTC - Aria sold LOVED IT REGRETS
HTC - kaiser