I did the following:
The folder c:/Ubuntu was already removed, so I only removed the Wubi files.
I used bcdedit from cmd to delete the Ubuntu option from the boot menu. Done successfully.
I then used Boot-repair to reinstall grub again (which it said 'reinstall grub' not 'grub2'). It kept telling me that there is a broken Wubi version on my machine, but I couldn't find it. Until I deleted some Wubildr files from all the other drives, which didn't have any systems on them.
Ubuntu still doesn't show up in the boot menu. I think the problem now is with my grub installation. How do I install it manually, without boot-repair, but also, without internet connection on that laptop ?.
The output from Boot-repair is very large so I attached it instead of posting here. It mentions that it installed Grub 1, not 2.
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