[7" Kindle Fire HD General] xxsurfacexx:
Well, I have had trouble using the newwer release. I had trouble rooting another kindle a couple months ago and had to do it over and over to end up getting it to work. Adb is installed and working fine. Have java installed, have enviromental variables added. Yet this is what I am getting

4491 KB/s (91980 bytes in 0.020s)

****************************************************
* We Are Pushing Superuser To The Kindle *
****************************************************

3743 KB/s (996704 bytes in 0.260s)

****************************************************
* We Are Now Setting The Busybox Permissions *
****************************************************

***************************************************
*We Are Now Setting The Permissions And Installing*
* Busybox *
***************************************************

Could Not Find C:\KFFirstAide\Busybox_Installer_4.1.apk
--2013-03-04 19:16:46-- http://dl.dropbox.com/u/54456659/busybox/Busybox_Installer_4.1.ap
k
Resolving dl.dropbox.com... 107.21.94.227, 54.243.71.230, 50.17.209.47, ...
Connecting to dl.dropbox.com|107.21.94.227|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 888616 (868K) [application/vnd.android.package-archive]
Saving to: `Busybox_Installer_4.1.apk'

100%[================================================>] 888,616 897K/s in 1.0s

2013-03-04 19:16:48 (897 KB/s) - `Busybox_Installer_4.1.apk' saved [888616/888616]

/system/bin/sh: /sdcard/tmp/busybox: cannot execute - Permission denied
/system/xbin/busybox: cannot open for write: Read-only file system
Unable to chmod /system/xbin/busybox: No such file or directory
Unable to chmod /system/xbin/busybox: No such file or directory
/system/bin/sh: /system/xbin/busybox: not found
rm failed for /data/local/tmp/busybox, No such file or directory
/system/bin/sh: /system/xbin/busybox: not found
/system/bin/sh: /system/xbin/busybox: not found
/system/bin/sh: /system/xbin/busybox: not found
Unable to chmod /system/xbin/su: No such file or directory
Unable to chmod /system/xbin/su: No such file or directory
Unable to chmod /system/app/Superuser.apk: No such file or directory
rm failed for /system/bin/su, No such file or directory
link failed Read-only file system
5104 KB/s (888616 bytes in 0.170s)
pkg: /data/local/tmp/Busybox_Installer_4.1.apk
Success
/system/bin/sh: /system/xbin/busybox: not found

*********************************************
* We Are Done! So Far Everything Looks Good *
* Next We Will Reboot The Kindle. *
*********************************************

4675 KB/s (95763 bytes in 0.020s)
pkg: /data/local/tmp/suchecker.apk
Success

*******************************************************
*The Kindle Now Has Root! After The Reboot Please Goto*
* Kindle Apps On The Device And Launch Superuser To *
* Initialize The Service. Let Me Know When You Have *
* Launched SuperSU or Superuser! *
*******************************************************

*******************************************************
* Please Pay Attention To The Kindle For A SuperSU *
* Popup or Request, Be Sure To Click On Grant Or *
* Allow Otherwise The Next Step Will Fail. *
*******************************************************

Press any key to continue . . .

/system/bin/sh: su: not found
/system/bin/sh: busybox: not found
/system/bin/sh: su: not found
/system/bin/sh: cannot create nul: Read-only file system
/system/bin/sh: su: not found
/system/bin/sh: su: not found
/system/bin/sh: su: not found
/system/bin/sh: su: not found

*************************************************
*Finally, If You Loose The Navigation Bars After*
*Rooting The Kindle, There Is A Easy Fix. Please*
*Drop To Command And Enter The Following Command*
* adb shell su -c "rm /data/local.prop" *
* If You Have To Execute This Command Pay Close *
* Attention To The Kindle For A SuperSU Or *
* Superuser Popup Or Request, Be Sure To Click *
* Allow Or Grant. This Will Solve The Missing *
* Navigation Bars! *
*************************************************

*****************************************************
* We Are Now Testing Superuser...Please Wait *
* This Test May Tak A Few Minutes.......... *
*****************************************************

root@android:/ # su
127|root@android:/ # exit

**********************************************
*Looks Good! The Root Permission Test Passed!*
**********************************************

SU is not being pushed

It is not on the device, busybox is being put on the device and thats about it.