Windows 10: Windows 10 doesn't boot from UEFI after deleting some partitions, Kubuntu dual boot. Error...

Hi, hope you are doing well.I use mainly Kubuntu, and have a Windows 10 from when I got the laptop. The laptop has a SSD and a HDD, both OS are on the SSD, the HDD is for personal data.Before getting the laptop, it had a Windows 8 in the HDD didn't have an SSD. The SSD was installed an Windows 10 with it.When I got the laptop, I installed Kubuntu on dual boot, and both were starting fine. I then formatted the HDD and, thinking some of the partitions on the HDD were not in use Windows 8 files and boot, I deleted them.After this, Windows 10 throws error 0xc0000225 when starting from UEFI. I

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Dual boot with Kubuntu before and decided to erase, help with Bootrec

I was dual booting with Kubuntu Linux and decided to erase Kubuntu and leave my PC Windows only. Erased the Linux partition to then restore the boot manager but to my surprise, the Bootrec command says Access denied. Code:

I get the Grub terminal and can boot Windows by typing exit. I would like to have a clean Windows boot process.

My SSD is on GPT, Will this steps work? How to

 

Dual Booting 2 Windows Systems Using UEFI Boot Manager

This was an option until you deleted the EFI System Partition on Disk 2. UEFI Dual Boot means switching between Windows Boot Managers, requiring an EFI System Partition each.

But you can still do Windows Dual Boot. Execute

bcdboot E:\Windows

to add "Windows Disk 2" to the Disk 1 boot manager (EFI System Partition).

 

Partition resized, Windows 8.1 not booting, UEFI

Hi all,

Ok, I have a new lenovo ideapad 305 (system is UEFI boot), I used minitool partition wizard to resize the c: & d: drives (to increase space on the D) but didn't touch anything else, rebooted into windows & it seemed nothing had changed, so I booted up by USB and the partitions were exactly what I had changed them to. Thinking this was really weird, I tried rebooting & have not been able to get into windows since.
I have tried recovery through the windows 8.1 cd but it does not recognise the partitions at all! So I can't even use diskpart or the like, I have tried several boot recovery tools, some see the partitions & some don't, so I guess I need to make the partitions UEFI-enabled? I'm not fully savvy with UEFI & I've tried every piece of advice I could find, but i'm stuck, any clues?

Thanks for any help!