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A Hotfix is a product update package with one or more updated product files that fix a specific product problem.
Please be aware this Hotfix has not gone through full Microsoft product regression testing nor has it been tested in combination with other Hotfixes.
Please carefully review the associated Hotfix KB article to verify the fix is the one needed and there are no known compatibility or installation issues. You may also want to contact a Microsoft Support Professional at
FIX: Error message when you try to start an application that you deploy by using ClickOnce deployment in the .NET Framework 2.0 Service Pack 1: "You cannot start application <App_Name> from this location"
Consider the following scenario. You deploy an application by using ClickOnce deployment on a computer that is running the Microsoft .NET Framework 2.0 Service Pack 1 (SP1). The application is configured to allow URL parameters to be passed to the application. You pass different values to the URL parameters when you try to start the application. In this scenario, you cannot start the application. Additionally, you receive the following error message:
You cannot start application <App_Name> from this location because it is already installed from a different location.
Note This problem does not occur when the computer is running the .NET Framework 2.0.
A supported hotfix is now available from Microsoft. However, it is intended to correct only the problem that is described in this article. Apply it only to systems that are experiencing this specific problem. This hotfix may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next .NET Framework 2.0 service pack that contains this hotfix.
Additional Information about the issue resolved by this Hotfix can be found in its Knowledge Base article at
Search the list of all other publicly available Visual Studio and .NET Framework Hotfixes at
Nov 19 2008 at 12:25 AM
, version 6
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Wed Jul 9 2008 at 7:00 AM
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