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I've installed Ubuntu 10.04 using Wubi. When booting for the first time, everything worked fine. However when I try to boot now I get this error and booting freezes.

Error: Unknown command "keystatus".

If that helps, I'm using HP ProBook 4510s and Windows 7.

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closed as too localized by Luis Alvarado Mar 14 '13 at 17:06

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2 Answers

keystatus is a GRUB2 command which needs the grub module of the same name to be loaded to work. I assume if the command is unknown that module can't be loaded anymore for some reason...

Did you install any updates between the first & second boot?

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I don't have a specific answer, but if you're able to boot into Windows I would start with a check that all is well with the Windows partition by running chkdsk /r as described on the WubiGuide wiki. You might also want to take a look at the section on repairing using a LiveCD in the same location.

If you're also not able to boot into Windows, you'll probably have to boot from a Windows CD into the recovery environment and repair the MBR.

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