Iomega ZIP drive-constantly unable to read disks when using on both PC&Mac

I'm constantly having problems with Iomega ZIP disks:
-can't be read by PC or MAC
-needs reformatting
I have to erase the disk using disk utitlities and make sure its FAT 32 (not 16) for the PC to read it.
However this is only temporary as the disk will again become unreadable by both machines.
Is this because i'm constantly using is on both machines?
Does anyone else have this problem?
Any solutions?
This appears to have started since the last major OS X upgrade - i.e 10.3 to 10.4.
Cheers
Tasha

You may not want to hear this - but the best thing to do is to get anything that matters off Zip disks, and never touch them again. They're inherently unreliable, and you're much better off using CD-R or DVD-R.

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http://web.mac.com/lorna6
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Lorna, I'm sorry to hear of your loss.
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Iomega ZIP drive-constantly unable to read disks when using on both PC&Mac

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