I may have found my problem. Tables to be removed (deleted) cannot be in the InstallDir. However, you cannot add the tables to Sappupdt.dbf unless the table to be deleted are in the source folder (\MyApp).
Ignore the following.
I've tried to use the VMPE update feature. I believe that it work fine. However, when I run the INstallShield, it either doesn't update or I get errors that certain files in my app can't be opened.
In InstallShield, I create a separate folder for tine InstallDir. My application is in \MyApp and I put the update in \MyApp\MyUpdate. I have tried to put the varions Sappupd.* files in \MyApp\MyUpdate, \MyApp and even put the \MyUpdate folder off the Root. Nothing seems to work.
Any advice as to what I should be doing. I'm at a point where I prefer to not learn a new install program if I can avoid it.
Thanx