Open a finder window (or double click on the Macintosh HD on the desktop) and navigate to:.HDR Efex Pro 2 or Color Efex Pro 4 crashes or the buttons are not displaying correctly), please try the following steps below after quitting out of all host applications (Photoshop, Lightroom, Aperture): If you are unable to disable the GPU via Settings or if the issue has not been resolved (e.g.
If you are able to open the program and can see part of the interface, see if you can click on the"Settings" button in the lower left.In order to disable the GPU in the plug-ins, please do the following in each one: If after following the above steps you are still experiencing the same issue, the next step will be to either disable the GPU (if possible) or force the plug-ins to not use the GPU (safe-mode). If this does not apply to you, please go to the next section below.
If you are using Mac OS Snow Leopard (10.6) ensure to update to 10.6.6 or higher as this can affect performance.
In that case the user may need to go to the video card manufacturer's website to download an updated driver for their secondary GPU. The exception may be when there has been an additional video card added. Generally the video card that comes with your Mac will be updated automatically. In order to resolve this, the first measure would be to update the Display Adapters or GPU driver. Sometimes certain video cards will not handle this additional processing. The GPU is also sometimes referred to as the Display Adapter or Video Card, in any case they are all the same. HDR Efex Pro 2 and Color Efex Pro 4 take advantage of the Graphics Processing Unit (GPU) of the computer system. Thanks Pabli, I too contacted Nik and they sent me the following instructions, which failed to work