Failed to update REACTOR. [83]

Okeej guys i am last 2 days shearing for this FUCKING PROBLEM to be resolved :l BAD ENGLISH IK SORRY
But i have AVA on steam I AM NOT BANNED!!!!! Evry time i try to start ava the reactor WON'T open and get a message Failed to update REACTOR!
Now i play AVA on Laptop couse i like it when i need to shit or when i am in bed thats where i first got the problem LOOKT ALL OVER internet nothing WORKS! now i have other PC just installt it SAME FUCKING PROBLEM? Now i think something whit my network? But if download Reactor it works i download AVA it works! I try to start AVA Failed to update........................ Pleas some help!

its not a big problem easy to fix if u can make a video of it nearly all the errors are easy to fix but i need to see it on a video.

LOL

First of all calm down.. Rage much?
The best you can do is save the AVA file to your desktop, uninstall Steam, re-download steam, click and drag AVA file back to steamapps, then start up AVA again. It should work because I had a problem like this.