I have used PSD since version 1 and lots have changed, except that there is always a new version around the bend.
I just installed PSD 13 and updated it to 13.0.1. on my MacPro 3,1 with 16GB and 4TB. Along the way I received launch errors :
MMX cannot be loaded
Color settings cannot be synched
Multiple Processor can't work with this version of Photoshop
I also received errors when I tried to creat a 3D layer from a shape or text layer or open a readable .obj file as a 3D layer.
I updated the nVidia GeForce 8800 GT with the new driver 304.00.05f02 posted 10/2/2012.
The first few times restarting with the new drivers, there was no changes. Finally I was able to use the 3D portion of PSD 13.
Even though I was able to use the 3D, I still got the error warning on launch of PSD 'that the multiple processors weren't compatible with this version of Photoshop.'
The Adobe Help site<http://helpx.adobe.com/photoshop/kb/photoshop-cs6-gpu-faq.html> says that my GPU will work with PSD 13.
I am also confused by the technospeak of open_gl and open_cl. Some places refor to the GeForce 8800GT as having both and some dont refer to those terms. I wish things were consistant. If it was found to work with PSD 13 as stated in the above reference are GL & CL active in the card I have?
So why are there so many issues. I never have had any and now I am wondering whether to go back to PSD 12 to avoid the hassles.
Please give some answers if you know so I can be confident using PSD again.
You copied plugins from a previous version of Photoshop by mistake.
Go delete all the plugins that you copied from a previous version.
And remember that the plugins folder should only have third party plugins in it.