Why am I unable to upgrade my Windows 10 insider 100074 to regular Windows 10?

[Windows Central Question]

I'm unable to upgrade my window 10 insider 100074 to regular window 10

Dear friends,

Please help me, I'm unable to upgrade my window 10 insider bulit 100074 to regular window. automatic updation system is not working. please help me.

 

[eusty]

Re: I'm unable to upgrade my window 10 insider 100074 to regular window 10

10074 is a really old build, There was one version which I couldn't upgrade but I can't remember which one. Probably best off reinstalling a new ISO?