I fixed it. I had to create a boot able windows USB drive and then unlock my bit locker drive using the Microsoft recovery key. After that, startup repair auto fixed the problem.
As described in title, I thought I was tidying up my BCD using EasyBCD by deleting boot files for OSs I had previously deleted. Evidently that was not the case.
When I try to boot, I get this error.
0xc00000e
I feel hopeless at fixing this issue so any help would be deeply appreciated.
I...