I never post before having completely given up, so no I have not rooted it yet
I already have the SDK manager on my win7. (Yes I still have Windows, for some games, luckily)
I checked and it indicates that those packages are already installed.
I saw there was an update for the 'SDK platform' so I installed that.
I edited my path, I did not install it to my small ssd but to another disk, so I edited the path a little. I tested it works by typing adb and emulator in the command promp.
I used the 'MotoHelper_2.0.51_Driver_5.2.0.exe' to install the driver.
I followed your link and skipped the 'Connecting the TAB250 to your PC' , 'Installing ClockworkMod Recovery 5' & 'Creating a backup using ClockworkMod Recovery 5' steps as I already done them in the past.
The rom that you flashed to your yarvik must have already had Superuser.apk and the su binary installed correctly. Because your instructions do not describe how to root it. Where did you get that rom?
For fun I will try the SuperOneClick again, still no dice, same situation:
The log shows root access has been granted when SuperOneClick did the test. But when an app requests root privileges, there is no dialogue window asking me, yes or no, it just toasts, access denied.
The document you linked states my problem clearly: 'Starting a shell using Terminal Emulator (or another app) will not run as root, but as a user with limited privileges.'
Is your yarvik rooted atm?
Can you type 'getprop ro.secure' in the adb shell and tell me if it returns 1 or 0?
Thanks in advance,