Mac Colored screen flickering, Unleashed

[Voulxe]

Hello,
I have the same issue as to be seen on this video:

I am playing unleashed now for two weeks. And the cause is clear: It happened after installing Optifine.
One week ago in conjunction with the shaders mod
Yesterday Optifine only.

One week ago I was able resolve the problem by making a clean install of Unleashed.
Today this does not work anymore.

The only addition I have is Biomes o Plenty, for playing on a server.

Thanks

 

[Ashzification]

And the cause is clear: It happened after installing Optifine.

The solution is also clear, don't use optifine.

 

[Voulxe]

Well ... not using optifine is the way to avoid the problem ,-)

But what am I missing, that deleting the Unleashed folder and downloading a fresh install, does not help anymore?

 

[Voulxe]

But what am I missing, that deleting the Unleashed folder and downloading a fresh install, does not help anymore?

Restarting the machine XD

Thanks for your time