['Could not run Warframe executable']

How do I fix this??? I have tried so many things

[Bug : Warframe doesn't open after Fortuna Update]

bro for it loads....but after the white bar reaching 75% or it closes the game and that's it DE plz fix this I really wanna play fortuna nd its god to hear that its not just me who gets the loading bug

[Twitch drops are not dropping and need changing]

I'm confused about this twitch drop,

what is this drop about like I know the possible drops include nidus and khora and rifle riven mods,

but still they said to watch the stream when fortuna drops so what stream like any warframe stream or does DE hav their own channel

if so plz send me a link for the channel