Any effect applied to a clip creates a purple tint on the whole image once rendered in timeline

[computero15201799]

Hello,

It seems that every time I throw in any effect (flip, blur, etc) inside a clip and I render that clip, it creates a purple tint over the whole video. 
Could someone explain what's going on? 

 

 

The first 'black' image has no effects applied, the second has a camera blur effect. 

Your help would be greatly appreciated.

Thank you,

Thanos

 

[computero15201799]

The difference is very subtle (you need to click on the picture to really see it) but nevertheless, that purple tint should not be there. 

[Peru Bob]

All I see is black, but make sure you are using the latest Studio Driver if NVIDIA graphics.