ICal won't open after downgrade.

I had updated to 10.5 this year (because of new software). Meanwhile my iMac (G5) has gone to a repair service, and I was given a G4 as a loan until my iMac is fixed (if this ever happens). Because I couldn't run my new CS4 software on the G4, I had to downgrade to 10.4.11 to use my old software (Classic Version).
This said, I have encountered following problems: my iCal will not open up at all. I cannot find it in the »former user« files to maybe open it up from there. iCal is in the current application files — and will neither open up from there nor from its desktop icon.
What can I do to solve this issue? My iMac repair is taking longer than I expected.
Thanks.
Message was edited by: iconorama

how exactly did you copy user info? did you copy the entire home directory? very often problems with various applications stem from bad and preference files. those live in various places in the library folder in your home directory. that's why I'm asking. one way to test this is to create an new user and see if the problems you are having persist there.

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Message was edited by: JMACNorfolk

Hi,
Welcome to Apple Discussions.
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ICal won't open after downgrade.

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