issue with rooted droid2 help me please

Okay this is the problem. I made a huge mistake by updating from 2.2 to 2.3.3(gingerbread) without unrooting first so now im stuck I can't unroot with z4root now and I have gingerbreak but cant reroot with it just not working. Tether wont work without unrooting and rooting and that's the reason for rooting to start with can someone help me please!

 

i tried to just root it again but didnt make it where i can use the open garden wifi tether so i tried to to unroot then and i get ERROR /restore/ backup doesn't exist or is incomplete! These files must be downloaded and saved to your computer in a /restore/ subfolder how do i go about fixin this problem?

 

yes its still there.

 

i do have the superuser but i have a question i am watching a video on SBF droid 2 would this solve the problem and unroot the phone? i dont know anything about this so what exactly will it do i mean just unroot the phone?

 

Can anyone help me please im so tired of dealing with this I have tried everything im beginning to think flashing is the only way to get things done but I don't want to lose all my stuff..

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Okay now I did the and flash and reset back to 2.2 then update to 2.3.3 and the oneclick root and now im messed up again cause now the open garden wifi is not working for the laptop and when I connect the tether I can't use my phone internet and on top of that when I try to use the tether and use the internet I get a vzw page talking about paying 20 bucks for mobile hotspot I mean wtf I wish someone has a solution??

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