Unsupported Jpeg Precision Error?

EM
Posted By
evan_marnoch
Oct 25, 2006
Views
2793
Replies
11
Status
Closed
I’m having problems opening some images.. I’m getting an error that says "unsupported jpeg precision".. can anyone tell me what this means and how to solve the problem? thanks in advance..
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B
Buko
Oct 25, 2006
do you have the Jpeg2000 plugin installed? its on the CD in the goodies folder.

did you move the photoshop application out of the photoshop folder?
EM
evan_marnoch
Oct 25, 2006
jpeg2000 is not installed.. and the application has not moved.. its really puzzling because we have edited the images that will not open previously in photoshop. and most images will open, while some have the error popup.. we will try the plugin though, what is it for?

oh… is there something that could have happened to the images without our doing?
EM
evan_marnoch
Oct 25, 2006
just tried opening the image once again.. and a similar error appears, but slightly different in that it now says "unknown or invalid JPEG MARKER TYPE is found"… does that change things/help to figure the problem out?
CC
Chris_Cox
Oct 25, 2006
That message means the file is probably corrupt.

The first message you reported is strange…
EM
evan_marnoch
Oct 25, 2006
ok, do you know how the file could have been corrupted? we havent edited the image in a while and now we’ve come back to it and it won’t open.. there are a few files in this similar situation..
BG
barry_gray
Oct 25, 2006
Are you working/saving over a network?
Do you have any "Norton" software installed?
Both can and do corrupt files.
AS
Ann_Shelbourne
Oct 25, 2006
Did you save open files directly to a Server?
EM
evan_marnoch
Oct 25, 2006
hmm.. the only thing i can think of related to that is that we’re designing a book with InDesign using two iMacs.. the files are located on one computer and are being edited on both but saved back to one hard drive.. but we’ve been doing this all summer and only running into problems now.. and not on all images, only a few..
AS
Ann_Shelbourne
Oct 25, 2006
Try saving the files on the computer on which they are being worked; and then dragging the closed file to replace the older file on the other computer.
T
thesecondplace
Oct 29, 2006
wrote:
just tried opening the image once again.. and a similar error appears, but slightly different in that it now says "unknown or invalid JPEG MARKER TYPE is found"… does that change things/help to figure the problem out?

This same thing happens when you "save as" web images from the AOL browser.
M
Misifus
Nov 6, 2006
wrote:
ok, do you know how the file could have been corrupted? we havent edited the image in a while and now we’ve come back to it and it won’t open.. there are a few files in this similar situation..

You might try opening the file in Graphic Converter. If it will open, resave it as a jpeg (or, better, a TIFF).

-Raf

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Misifus-
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