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Files Won't Open after Save As
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Date : 7/27/2009
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Hello Chuck. I have a question about saving in Photoshop. I was editing some shots last night and did nothing unusual, did what I always do, and when I saved the edited jpeg and went to look at it, it was saved as a text file! I cannot figure out why this is happening. I did some editing on Friday and everything was just fine. I went back through my steps with a "throw away" image and lo and behold, another text file when it saved! Any ideas? I'd really appreciate any help you can give.
The file is missing the extension ".jpg" so the computer doesn't know what kind of file it is. Add the extension .jpg to the file name and it will open just fine.
What may have caused it is in the Photoshop preferences. In Photoshop go to Photoshop Preferences and choose File Handling. There's a option to add extensions to file names or not. Make sure it is set to Always. Like this:

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Should I unistall CS3 before installing CS4? An what about my filters?
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Date : 7/29/2009
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Hi Chuck,
Just want to ask you if its advisable to un-install version 3 of adobe photoshop, before installing the up-grade Version 4 of adobe photoshop? The reason I ask: will there be any unforseen issues relating to plug-ins, such as Nik Software complete, and a few others?
Nope, no need to uninstall. You will probably need to move your filters from the filters folder inside the CS3 folder to the same folder inside the CS4 folder.
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What do I need to run Photoshop CS4?
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Date : 7/31/2009
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Here's what Adobe recommends:
Mac OS
- PowerPC® G5 or multicore Intel® processor
- Mac OS X v10.4.11–10.5.4
- 512MB of RAM (1GB recommended)
- 2GB
of available hard-disk space for installation; additional free space
required during installation (cannot install on a volume that uses a
case-sensitive file system or on flash-based storage devices)
- 1,024x768 display (1,280x800 recommended) with 16-bit video card
- Some GPU-accelerated features require graphics support for Shader Model 3.0 and OpenGL 2.0
- DVD-ROM drive
- QuickTime 7.2 software required for multimedia features
- Broadband Internet connection required for online services*
Windows
- 1.8GHz or faster processor
- Microsoft®
Windows® XP with Service Pack 2 (Service Pack 3 recommended) or Windows
Vista® Home Premium, Business, Ultimate, or Enterprise with Service
Pack 1 (certified for 32-bit Windows XP and 32-bit and 64-bit Windows
Vista)
- 512MB of RAM (1GB recommended)
- 1GB of
available hard-disk space for installation; additional free space
required during installation (cannot install on flash-based storage
devices)
- 1,024x768 display (1,280x800 recommended) with 16-bit video card
- Some GPU-accelerated features require graphics support for Shader Model 3.0 and OpenGL 2.0
- DVD-ROM drive
- QuickTime 7.2 software required for multimedia features
- Broadband Internet connection required for online services*
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