Few time ago, I have installed windows 10 technical preview and it worked perfectly for the first two weeks. After that, it began restarting every few hours saying that windows 10 has expired. I have continued working on windows 10 (restarting automatically after few hours) but unfortunately now I can't start it any more. In other words, I can't boot on my windows 10.
What i have tried is to boot on ubuntu (from a flash disk) and try to repair windows 10 partion but i have faced new problem: ALL MY DISK PARTITIONS ARE LOCKED. I can't access any of my partitions.
I have tried also to boot on windows 10(from flash disk) and try to find a setting option to repair the windows 10 already installed and locked but nothing found.
The immediate solution is to format the whole disk(all partitions will be ERASED and that's so bad because I have very important files out there :(
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Please help.
Thanks in advance.