Error upgrading plesk 9.5.5 to 10.4.4

[GuillermoS]

Hello Guys!

I am trying to upgrade my plesk panel to the 10.4.4 and i am getting that error:

MSI: === Logging stopped: 9/4/2013 9:50:29 ===
Failed to install 'C:\8896aaafcfaa0a1468f07967a9499031\parallels\PANEL-WIN_10.4.4\dist-msi-Microsoft-2003-i386\upgrade-assist.msi': Fatal error during installation. (Error code 1603)
Action '<install-msi-package command-line='ADDLOCAL=ALL INSTALLDIR=&quot;[PLESK_INSTALLDIR]\Admin\bin&quot; ALLUSERS=1 ARPSYSTEMCOMPONENT=1 REBOOT=R' />' failed with error 1603
Execute C:/8896aaafcfaa0a1468f07967a9499031/send-error-report.exe install
Execute C:/8896aaafcfaa0a1468f07967a9499031/send-error-report.exe install
Error: Action sequence 'install: installing Upgrade Assistant...' of package 'upgrade-assist' has been failed with code 1603
Not all packages were installed.
Please, contact product technical support.

Anyelse could helpme about this issue?