It's very hard to troubleshoot software problems online, and it likely is a software issue. But as a solution I highly recommend that you instead consider a card reader to download your photos to your computer. They're very inexpensive, much faster downloading photos from the camera, do not use the camera's batteries during download, and are much less prone to file corruption of the photos during the download.
You place the camera's card in the reader, and your computer sees it as a hard drive. You simply copy/paste or drag/drop your photos onto your hard drive. For all of these reasons, most professional photographers utilize card readers exclusively. Really, you'll save yourself a lot of heartache. Here are some examples from Amazon. Also, don't be fooled by the cost. some of the cheap ones work just fine. Go by the reviews. Also make sure you get a reader that is stated capable of reading your card (particularly if you have SDHC):
I am thinking about buying a Nikon L100 camera. I would like to know what others think about the...
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I am thinking about buying a Nikon L100 camera. I would like to know what others think about the camera.
hello My sister has a vivtar 8025 camera and I keep trying to trun on the flash but it says marco...
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hello My sister has a vivtar 8025 camera and I keep trying to trun on the flash but it says marco mode how can I turn the flash on
normally when i charge my cameras battery a red light will turn on to let me know its charging and...
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normally when i charge my cameras battery a red light will turn on to let me know its charging and will stay on until it is fully charged but whn i went to charge my battery yesterday the red light began blinking i'm not sure if there is an issue with the battery or the charger