Lag/Micro freezes RX480

Hi I'm having some lag issues since the 17's updates with my MSI RX 480 Gaming X. I thought it was due to some problems with my FX-8350 and MSI 970 Gaming. But now I moved to a R5 1600 and a MSI B350M Mortar and I'm having the same issues. No matters which driver of the 17's I install, I can't for example put fullscreen videos on firefox because of the lag and opening a Windows 10 app (metro app like e-mail or edge) causes micro freezings (I can notice it when the app shows up, the effect is very laggy and also the mouse lags). I tried all drivers and the only ones that seems to work without lag are the ones that windows 10 installs when I update it through device manager, but crimson doesn't recognice any driver installed so same shitty thing. I'm afraid this causes lag also in some games like csgo or rust that I play from time to time.

I managed to solve it last time by rolling back to one of the first 17's driver (I cant remember what), but now I can't install an older driver...

For the record, I have a 144Hz Freesync AOC monitor, and I'm on Windows 10 pro creators update