Ubuntu 12.10 installation Problem in Wubi

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http://askubuntu.com – I'm trying to install 12.10 inside drive "I" along my windows7 with wubi.But i got the error message Error executing command command=C:\Windows\System32\bcdedit.exe/set {0bfbf1c0-11ba-11e2-a8ef-fooae3684131}device partition=I; retval=1; stdrr=An error has occured setting the element data. the request is not supported. stdout= For more information,please see the log file; c:\users\hammer~1\appdata\local\temp\wubi-12.10-rev273.log what to do now ? (HowTos)