10.4.4 upgrade failed

[Ernie@]

When upgrading from 10.3.1, the error report says,

How to fix this? Thanks.



**** Product prep-install started.

===> Checking for previous installation ... found.
Unable to upgrade. You have 10.3.1 version installed,
but upgrader is incompatible with this version.
To install new psa copy, please move '/usr/local/psa'
to another place manually.

**** Product prep-install for BASE completed successfully.

STOP Bootstrapper 10.13.4 prep-install for BASE AT Sun Dec 25 19:46:15 PST 2011

 

[IgorG]

Did you try to use autounstaller from 10.4.4 version from http://www.parallels.com/products/plesk/download/ ?

 

[Ernie@]

I've tried to download the autoinstaller. It's the same problem. How to fix ?