- Issue
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When attempting to install a module to a client machine using a ClickOnce deployment, the Cannot Start Application dialog may be displayed with the message: Application validation did not succeed. Unable to continue.
- Resolution
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This error occurs when a deployment file for the application is modified after the deployment was created. To resolve this error, you must create a new deployment of the application using the Deployment Wizard. See the Updating or Adding a Deployment Instance section of this module reference guide for details.
Note:When updating an existing deployment, make sure you select the appropriate module, as well as the Instance Name that corresponds to the instance that generated the error.