> Phone numbers are nothing like programs. The comparison is false. That wasn't the comparison in the first place. Finding the location of the program and its

> Phone numbers are nothing like programs. The comparison is false. That wasn't the comparison in the first place. Finding the location of the program and its uninstaller is very much like an address or phone number lookup. Updating it is like updating an address book. And you need a database to maintain it all and find what you need, and something has to update that database. That's one major thing an installer does.