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I have installed ubuntu on my windows 7 machine using wubi. After installation when I reboot the system it shows a gibberish screen. Anaways, I turned off my system amd turned it on. When I choose 'Ubuntu' from system boot menu, it throws the below error:

error: attempt to read outside of disk : loop (0,0)

Please advise.

Thanks, Anutosh

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Did it look like this: ubuntuforums.org/showthread.php?t=2117980 ? If you have an nvidia or radeon graphics card then this could happen. Note turning off an Ubuntu install (especially Wubi) can lead to corruption, which may have happened to you. You should probably run chkdsk /f from Windows. –  bcbc Feb 23 '13 at 7:12

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