Unable to install this application because an application with the same identity is already installed. To install this application, either modify the manifest version for this application or uninstall the preexisting application.

Error:

Unable to install this application because an application with the same identity is already installed. To install this application, either modify the manifest version for this application or uninstall the preexisting application.

Context:

When trying to use Visual Studio Publish by following steps:

  1. Right-click on the project, click Publish
  2. Start the published Setup.exe
  3. Above error occurs

 

Fix:

Clear the application cache by following steps:

  1. Open Visual Studio Command Prompt
  2. Type: mage –cc

Mage stands for Manifest Generation and Editing Tool

References:

http://www.nerdfurio.us/blog/post.aspx?id=004f104e-da73-df11-949e-001143eed2d5

Keywords:

Clearing the ClickOnce App Cache

Originally Posted By: Bryan on 6/9/2010

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About vijayvepa

I'm a software consultant for Software Specialists Inc. currently working at Philips Respironics, Pittsburgh

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