error 1713

[mi32dogs]

Hi, today i have tryed to upgrade from 7.5.6 to 7.6.1 but after some installation the process rollback with error 1713 'any application required are not present'.
Any idea?

this is my system info:
CPU INTEL Pentium-IV x86 Family 15 Model 2 Stepping 9 ~2392MHz
Version psa v7.5.6_build20051107.20 os_Windows 5.2.3790.0
OS Microsoft Windows 5.2;build-3790;sp1.0;suite1296;product3