Family tree 2006 error

[St Demon 4]

when i try to open my family tree ,all i get is a white box,and then when i click again i get a box that says installation support file could not be installed the system cannot find the file specified
i have tried after backing up to go to add and remove programs to uninstall and re install as it says the data will not be lost ,but it will not uninstall as it now says the Installation support file could not be installed.
please help

[Guest]

have you tried putting the disc in to reinstall it ? other than that not sure what you can do sorry