[Upgrading, Modifying and Unlocking] techmor:
Hi, I've been reading this thread for 2 days and still can't figure out why I get:

RK29 Rooting toolkit (v1.2)

created by SferaDev for our RK Tabs (Based on ICS)

from the work of DooMLoRD using "andorid emulator" trick

Credits go to all those involved in making this possible!

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This tool will:

(1) Root your RK29 tab

(2) Install Busybox + Stericson's Busybox Free

(3) Install SU binary (3.1.1) + Superuser.apk

(4) If there is low free space, the tool will remove Google Maps.

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Make sure you do this:

(1) Install the drivers of the folder

(2) Power on your Tab

(3) Turn Mass Storage OFF

(4) Enable "USB DEBUGGING" from Developer Options

(5) Enable "UNKNOWN SOURCES" from Security

(6) connect USB cable to your Tab and then connect it to PC

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When you finish all above press enter...

Press any key to continue . . .

Let's begin with the work.

Waiting for your device

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The system cannot find the path specified.

Creating temp folders

The system cannot find the path specified.

Cleaning

The system cannot find the path specified.

Symlinking the temp folder

The system cannot find the path specified.

The system cannot find the path specified.

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Rebooting

The system cannot find the path specified.

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Waiting for your device

PLEASE WAIT, THIS MAY TAKE A WHILE

The system cannot find the path specified.

DEVICE FOUND

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Enabling emulator hack

The system cannot find the path specified.

The system cannot find the path specified.

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Rebooting

The system cannot find the path specified.

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Waiting for your device

PLEASE WAIT, THIS MAY TAKE A WHILE

The system cannot find the path specified.

DEVICE FOUND

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Pushing busybox

The system cannot find the path specified.

Correcting permissions

The system cannot find the path specified.

Remounting /system

The system cannot find the path specified.

Checking free space on /system

The system cannot find the path specified.

The system cannot find the path specified.

The system cannot find the path specified.

Copying busybox to /system/xbin/

The system cannot find the path specified.

Correcting ownership

The system cannot find the path specified.

Correcting permissions

The system cannot find the path specified.

Installing busybox

The system cannot find the path specified.

The system cannot find the path specified.

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Pushing SU binary

The system cannot find the path specified.

Correcting ownership

The system cannot find the path specified.

Correcting permissions

The system cannot find the path specified.

Correcting symlinks

The system cannot find the path specified.

The system cannot find the path specified.

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Pushing Superuser app

The system cannot find the path specified.

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Pushing Busybox Free app

The system cannot find the path specified.

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Cleaning

The system cannot find the path specified.

The system cannot find the path specified.

The system cannot find the path specified.

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Rebooting

The system cannot find the path specified.

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You are root! Give feedback and a thanks in the XDA Forums!

By: SferaDev

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Press any key to continue . . .

on my emerson em743kb. rockchip rk2928sdk, jb 4.1.1

arm cortex-a9

any help would be appreciated. thanks in advance