After installation of R77.10 using "Gaia Software Updates", installation of any hotfix on top of R77.10 fails:
A fix conflict was detected during pre-install validation.
To prevent system instability, installation will not continue.
After upgrading to R77.10, output of 'cpinfo -y all' command shows:
cpinfo -y all
$CPDIR/registry/HKLM_registry.data file on the problematic machine shows that R77.10 upgrade package was installed using "Gaia Software Updates":
The installation of R77.10 using "Gaia Software Updates" did not add the relevant entry to crs.xml file on the machine.