10.5.8 Time Machine  Backup Failed Due to Cookie Not Matching?

Been using Time Machine with no problems with 10.5.6 and 10.5.8, but have first problems since 10.5.8. After my iMac wakes from sleep, sometimes I get the error message that the external USB drive that I'm using for Time Machine was removed incorrectly, which is not correct. If I do not get this message and everything looks okay, the next Time Machine backup normally fails and if I check the logging in the widget it tells me that backup failed because the cookie didn't match and it may not be the correct drive. If I restart my iMac, Time Machine works again without problem until the next sleep. Before installing 10.5.8 Time Machine was perfect! Any ideas anyone?

Hi again:
Not really. A restart can be therapeutic at times as a lot of things are reset. I have worked with computers for over 50 years and there are still some things that happen that defy logical explanation!
Trashing a preference file sometimes helps things. A corrupt preference file (rare, but it happens) can cause all sorts of odd behavior.
Barry

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    Message was edited by: Delmonte3161

    Delmonte3161 wrote:
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    Message was edited by: Delmonte3161

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