Green_Hilltop: Dun dun dun duuun.
However there is a solution for you - go to your update settings and select all updates to be downloaded and installed only when you select them - that should help you. :(
Ritualisto: Thanks for your answer, I already did this by "default". I hate it if I can`t update software when I want to do it (I do this for all my software manually.).
I meant i don`t know how to cancel the "I want to upgrade to Windows 10 button" so it isn't shown on Windows update anymore.
Unfortunately, I cannot at the moment answer whether disabling Gwx has an effect if you have already opted-in for the upgrade. None of the machines I've used the solution on have been entered (as far as I know).
I would try it and see if it works, at the very least it doesn't hurt anything, and can easily be reversed. If it doesn't work, I would try uninstalling KB3035583, then searching for updates and telling that one to be put on the ignore list.
If neither works... don't know.
To reverse the "DisableGwx" solution, save this in a .reg file and run it:
[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\Gwx]
"DisableGwx"=-