First we need to download and install the Microsoft SQL Server Management Studio Express MMC. This can be done by using this link. Accept all of the default options for install.
Evidently, the dbo.EmailAddress table in the vRangerPro database is corrupted when this happens.
1) Launch the SQL Management Studio Express
2) Connect to the db, navigate to the dbo.emailaddress table.
3) Right-click the table, select "Open Table" (if using Management Studio for 2008, select "Edit top 200 Rows" instead of "Open Table".
4) When the table opens, DELETE the email address rows (entire rows). Leave the "NULL" value row.
5) Close the table to commit the changes.
6) On the vRanger machine, go to Start--->Programs--->Vizioncore--->vRangerpro---->vRangerpro Database and re-run the database setup.
7) Stop/start the vRanger services.
8) Launch vRanger.
9) Re-run the setup wizard from the "Tools" menu, and re-enter the email notification portion.
The email notifications will now work again. No reconstruction of jobs, etc. should be necessary.