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I used to rebuild these installation projects from scratch when they stopped working (for any reason), but I found a much faster (and less error-prone) solution. Works for me, maybe works for you too.
1- Remove the installer project from your solution via the IDE interface
2-Add the installer design back to your solution (Add > Existing Project ...)
3-Rebuild
Didn’t work out :/
– Gabriel Souza
@Gabrielsouza take a look at this link.
– Jorge.M
If it doesn’t work, try restarting your Visual Studio.
– Jorge.M
also was not :/
– Gabriel Souza