above problem solved by " repairing windows installer" on that machine.
see
http://www.ehow.com/how_4842153_repair-windows-xp-installer-free.html
*edit: this works only when it' s stuck at installing the drivers, now
it' s stuck on " starting service...
Hello there! i ran into the same problem while trying to install the
FortiClient on XP. (FortiClientSetup_4.2.2.0267.exe) (No version of
forticlient was ever installed on this system before) any idea what
could be the cause of this?
