Faulty TIFFs

pioneer31

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I’m experiencing something odd with some of my (scanned) TIFFs.

To date, I have scanned hundreds of images from both slides and prints.

Every now and then, when perusing the image folders, I’ll notice that the odd TIFF has a defect. It wasn’t there when the scan was done but has appeared in the meantime.

In most cases the image will have a huge black block at the bottom, so effectively anything up to half the image is missing and replaced by black. In other cases horizontal black lines appear in the image.

I do keep 3 copies of everything and in most (but not all) cases, I can overwrite the faulty TIFF with a good one, but I do find myself periodically checking my folders to see if anymore TIFFs have gone ‘wrong’



Have any of you experienced this strange phenomenon?
 
You have corruption happening to your files, possibly a faulty hard drive or maybe a viral infection. Once stored, an image should not change or degrade.
 
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