November 28th, 2005, 06:15 PM
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#1
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Guest
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All jpg files have no header
Strange thing yesterday. Went into my documents and none of the jpg files would open with any program. Irview, photoshop, paint. Fortunately I just pulled a hdd tray off another machine and replaced the my documents folder. So it wasn't the O/S that was screwed up but the jpg files had somehow lost their headers. Any thoughts?
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November 28th, 2005, 06:25 PM
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#2
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Founding Member
Join Date: Aug 2005
Location: Earth, you?
Posts: 2,179
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Re: All jpg files have no header
What do you mean by "headers"? The name and file extension?
I know that you can rename all the files in a particular folder with a couple of keystrokes, could that have happened?
__________________
I do not fear computers. I fear the lack of them.
Isaac Asimov
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November 28th, 2005, 06:37 PM
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#3
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Guest
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Re: All jpg files have no header
Nope. The extensions were intact, but the executing programs all said "no info on this type of file, Header not recognized" I tried changing the opening program in tools-view-file types but no joy. They were all set to show thumbnails but all showed irview icons , which I was using, but wouldn't open. When I replaced the "my documents" folder from the other HDD all was well, but I would like to know what happened and why. Curious minds need to know. Needless to say I have backed the whole folder to a DVD disk.
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November 29th, 2005, 04:41 PM
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#4
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Founding Member
Join Date: Jul 2005
Location: 40?47' N73?58' W
Posts: 362
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Re: All jpg files have no header
Quote:
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Originally Posted by per
...., but I would like to know what happened and why. Curious minds need to know....
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Some food for thoughts...
JPEG Header Information
http://www.obrador.com/essentialjpeg/HeaderInfo.htm
The only thing I can think of is somehow your jpegs got corrupted
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November 29th, 2005, 04:52 PM
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#5
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Guest
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Re: All jpg files have no header
Thx Xp. That pretty much verified what I thought, That the headers were corrupted but the inquiring mind would like to how and what did it.
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November 29th, 2005, 08:57 PM
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#6
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Senior Member
Join Date: Jul 2005
Location: Pennsylvania
Posts: 255
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Re: All jpg files have no header
Hmm, did you try moving them at all? Download them? Or maybe there is something fishy going on? HD failing? I could go on and on.
__________________
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November 30th, 2005, 12:35 AM
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#7
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Administrator
Join Date: Jul 2005
Location: I'm in my own little world. But it's ok, they know me here.
Posts: 12,227
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Re: All jpg files have no header
More than one photo handler program maybe? I have a problem that explorer can't open my pics but PhotoAlum and Picasa2 can. The pics in explorer say 0x0 bytes but the programs open all of them just fine. It's like that on backup cd/dvd's as well.
As that concerns you it just might be multiple programs wanting to handle pics in different manners is corrupting the pic files a little at a time. Try removing the programs one at a time and see if things return to normal.
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November 30th, 2005, 09:47 AM
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#8
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Guest
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Re: All jpg files have no header
That is a thought Seti. I had them opening with irfan view because photoshop is so slow. I have switched back to windows picture and fax viewer, but it's the first time it ever happened and only on 1 machine.
Starr-none of the above.
Last edited by The Unknown; November 30th, 2005 at 10:28 AM.
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