Error for Upgrade into Plesk 8.0

[saatchi]

I tried to upgrade from 7.5.4 to 8.0.0 via "Updater" but after installing , I get an e-mail with this content:


Download file versions.inf3: 48%..100% done
Download file PSA_8.0.0/plesk-8.0.0-fc3-i386.inf3: 11%..100% done
Checking for system installed packages...done.
Check for components installation status
Reading system installed packages...done.
Download file plesk-8.0.0-fc3-i386.hdr.gz: 27%..100% done
Download file plesk-8.0.0-fc3-i386.hdr.gz: 88%..100% done
Resolve components
ERROR: Impossible do installation while package mysql-4.1.11-2.i386 is installed in system


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Plesk autoinstaller.


I upgrade mysql some months ago to 4.1. Now How can I solve this problem with the sane version of MySQL?

Please help me ASAP.

Regards,
H.Saatchi