I have 128GB Flash Drive, VID=1221 and PID=3234. Sometimes when I copy data to flash and go to another computer to download, I don't see data in some folders. Don't know how data disappear from these folders. I can see data in other folders and can download without problem. I performed Fat32Format and it has same problem. When I tried to delete these folders, I get error ""cannot Remove folder XYZ: The directory is not empty" Is something wrong with flash drive or the way it format? Please Help.

Probably you have fake flash drive. Test it with h2testw program. http://sosfakeflash.wordpress.com/2008/ ... it-drives/

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Was it bought from ebay and/or from China by any chance?

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read here you got a fake card


A lot of ebay members worldwide are now listing “faulty” or “defective” flash drives for sale. They are usually not faulty or defective – they are deliberately created fake capacity flash drives. A fake capacity flash drive corrupts files.

Some ebay members even go to the trouble of setting up a new ebay ID to sell the fakes they bought on ebay or elsewhere – as seems to be the case with oscar1×7 – this seller’s flash drives are not faulty but fake! Do not buy “faulty” flash drives on ebay – you will be wasting your money on a piece of useless c**p! In fact, don’t buy USB flash drives on ebay at all – it’s just too risky!

If you bought a fake on ebay don’t pass the bit of c**p you bought on to some other poor buyer – go after the seller and get a refund then warn other buyers about the problem rather than selfishly contributing to it!

We advise everyone who buys flash memory items to test them with the free program h2testw irrespective of where they were purchased – otherwise you run the risk of data loss and corruption.

Thanks for your important information

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