you must downgrade to 2.2.1 froyo
there are "methods" to root from 2.3.4 but all don't work or will brick your phone.
most of them are the one click methods which you should avoid anyway.
downgrading only takes a sec just follow this thread to...
Worked on my Surface RT with all the latest updates.
Sent from my HTC Glacier using XDA
perhaps try flashing the lastest kernel
there is also one by ...awesome...
(shotofawesomeness, and infernoshot)
i think you probably just have a driver issue im not sure.
try installing the driver in this link see if that works.
Is anyone able to
1. set custom apps in lockscreen via zips settings and
2. set owner infro in lockscreen via settings>security?
yes i was able to set custom apps in lockscreen
set lockscreen style to octo if you want 4 apps...