Install Windows 7 Service Pack 1 despite Grub
Yesterday, I wanted to install the recently released Service Pack 1 for Windows 7, because I run a Windows 7 in parallel to me beloved Linux, because I need it from times to times for my job. Unfortunally the installation failed shortly after the start dialogue with an unknown error message (error 0x800F0A12). This article tells you, how to fix it.
