Wednesday, 27 April 2011

How to solve Value cannot be null.Parameter name: activationContext

Go to project's properties, then to security and uncheck Enable ClickOnce Security Settings.
Hope this will help

10 comments:

  1. Thanks man ... it worked !

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  2. mine is disabled and I can't uncheck it.

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  3. never mind. I had the project in compile mode

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  4. Thanks!!!!!!!!!!!!!!!!!!!

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  5. what if i need this to be checked to use my app ?

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  6. Yes! This is the best solution. But you need to clean/remove duplicate files and unnecessary files.

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    Replies
    1. In the Application Files under ClickOnce

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