Unable to activate Windows Store app

Once in a while (but always when I am in a hurry) Visual Studio does not agree with the Windows Store app I’m developing. Today I got this message:

unable to activate

Every time I start my app, Visual Studio pops up the dreaded Unable to activate Windows Store app dialog. The details vary and never give a clue to what is causing it.

Some developers claim to solve the problem by cleaning the solution but in my case it was not enough. What I needed to do was this:

Step 1: Uninstall the app


Step 2: Remove Obj and Bin folders

show all files

And remove the bin and obj folder from the solution tree.

Step 3: Clean solution

I’m not sure what the difference is with deleting obj and bin folders but to be complete I also right clicked my solution and chose Clean Solution. After that, I was able to run the app again.

Grüsse aus Berlin!
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