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i just click software update to see if there were any new updated and it started automatically.....(sorry for my english) :p
 
i just click software update to see if there were any new updated and it started automatically.....(sorry for my english) :p
And this is where your problem lies. You didn't need to do that. Any half-decent Google search would have told you there was an update released two or three days ago.

Paying any attention to tech news would have told you there was a three month beta process for 7.1 and that the current version before 7.1 was 7.0.6.

You're stuck and there is no way back.
 
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