Comment 53 for bug 8978

Revision history for this message
mp (m-p) wrote : Re: [Bug 8978] Re: Grub - Error 21 returned

You do not have to (re)install Windows to restore your MBR:
http://support.microsoft.com/kb/69013

Ubuntu_user wrote:
> Insalled ubuntu 8.10 after removing 7 on a secondary hard drive. Found that the operating system took over the entire hard drive, removed my windows partitions and then on restart I received the error 1.5 and error 21 message, could not log into anything and the system became useless.
> Found that I could boot to the cd if running live from the cd. Have not reinstalled ubuntu to date, but did have to reinstall windows operating system as the mbr appeared to be destroyed by the intallation of ubuntu.
>