Hello! I just got my Sansa Express 1GB yesterday. I found many problems with it:
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During copying files, I always got an error message like “the device has stopped working or connection is broken”. I won’t be able to copy any more files after that. I have to unplug the player and replug in it again in order to copy more files. What’s wrong with this? BTW, I have checked that I have latest BIOS. 
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My files are titled like 01xxx, 02xxx, 03xxx etc. However, when it shows, it displays in the revised order. Is there a way it can display in right order? 
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I used a 4GB microSD card with the player. After I copied some folders to the SD card, I found I can’t remove one of the folders I copied to the card, it gives me an error message about “write proctection”. I don’t know what does the “write protection” mean for my microSD card, there is no switch for “write protection” on the card. Also, I can delete other folders on the same card, why? 
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After I paused in middle of an mp3 file, it won’t be able to remember the place left off. It plays from the beginning of the file. It’s very inconvient since a single mp3 file could be over 6 hours. Can it remember the stop point? 
I’m very regreted with this player. I had a Sansa e260 before, it had none of the above problems. However, it broke in just a little more than 3 months.