Hi Dalchina, thanks for your reply. Yes, cumulative updates doesn't work. My boot issue is due to not having an EFI partition so the windows installation repair fails with an error about “bootrec...

I upgraded to Windows10 from WIndows7 sometime ago and have just kept cloning my hard drive whenever I needed a drive upgrade. I've ended up with a 2T NTFS drive with Windows10 that has a messed up...