You appear to have Open-wide or an old Dialog View installed. Dialog View 2.0 supersedes these, and will not load with them present.
Dialog View failed to get enough memory.
Dialog View can't install a Gestalt function. Do you have two copies installed?
Dialog View requires System 7.
The “Dialog View Preferences” file cannot be found or created.
Dialog View can't find needed resources, it or Dialog View Preferences may be damaged.
Sorry, Dialog View will not run when Norton Directory Assistance is present.
Failed to modify Dialog View Preferences, is it locked?
Dialog View is shareware, $10. Please consider registering it if you find it worthwhile. Use the accompanying “Register” application to fill out a form that you can mail or e-mail to Kagi Shareware.
The “Dialog View Preferences” file is outdated or damaged. Please trash it and restart.