Hello i am trying to update windows vista x86 but every time i check for update it gives me code 8007000E how do i fix this

You’ve been a member since April 2020, so it’s surprising that you would expect Windows Update to work on Vista.

https://support.microsoft.com/en-us/topic/windows-update-sha-1-based-endpoints-discontinued-for-older-windows-devices-10b58bd9-5ba2-b23d-498b-139ce5c709af

You could use the same method of installing updates that you used for your extended kernel system, whatever that was.