I just received my package for Adobe Production Premium CS4 and installed it on my dual quad core xeon computer clocked at 2.8 GHz, everything works fine for me. I updated every thing, and again no problem. I'm on Windows XP 64 bit. Here is the disclaimer that accompany the software:
Windows 64-bit Installation Issues
If you are installing both the 64-bit and 32-bit applications on Windows XP 64-bit or Windows
Vista 64-bit, DO NOT install Photoshop to a custom location. You will encounter problems. By
default, we install both the 64-bit AND the 32-bit application on a 64-bit OS.
If you want to install ONLY the 64-bit application follow these steps:
1. Run the Photoshop CS4 installer.
2. Enter your serial number. Click Accept.
3. On the right side of the Options panel under the 64-bit heading, uncheck the box for Adobe
Photoshop CS4 (leave the