All files erased after installing ubuntu 11.04 alpha 3

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Published on 2011-03-17T15:53:51Z Indexed on 2011/03/17 16:19 UTC
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10.10

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11.04

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windows-7

Yeah I know I should have backed up my files before proceeding, I completely forgot. Well, the thing is that I had a dual-boot system with Windows 7 and Ubuntu 10.10. Yesterday, I installed Ubuntu 11.04 alpha 3 (through live USB). I chose that 11.04 would install over 10.10 on the installation wizard, where I have no important files. However, it overwrote Windows too, and its data. Is there some way to recover it? Thanks!

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