Delete MBR File From BCD

Did it again!

Last week, with help from this forum, I was able to install Linux Mint 17.1 dual boot with Windows 8.1. It worked so well, I decided to explore other Linux distros recommended by forum members as some I wanted to check out.

I was using Unetbootin to download and install these as live sessions on my Windows 8.1 partition.

On my last such download, something went wrong, and no doubt I caused the error, but no clue as to how.

When I opened up this PC, I got the normal dual boot option for Windows and Mint. When I selected Windows, I found an additional dual boot option between it and Unetbootin! Somehow I created a partition (?) on my C Drive for Unetbootin (see Thumbnail below).
This Unetbootin option only goes to a page for me to choose another OS. Further, when I rebooted, the Windows/Mint dual boot option no longer existed, just the Windows/Unetbootin one.

Been checking out various articles and websites about BCD/MBR repair, but nothing definitive (that I can understand) about modifying these to delete the Unetbootin partition and restoring the Windows/linux dual boot.

Naturally, this is a newbie land mine area, so I'm very reluctant to try anything I can't fully understand, which is the category everything I've Googled on this topic falls into.

Anyone know how I can resolve this short of a complete start over
installation based on steps that basically a PC fence post can follow?

TIA
Cheers!


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