I\'m trying to develop my first visual studio extensions project, I have VS10 SDK installed and was able to create a new project and can build it fine, however when I attemp
Accidentally found how to fix it in vs 2017 15.9.20
Shortly: uninstall your extension in new VS, re-run new VS by F5, then clean and rebuild solution, then run by F5 again.
When you re-run VS after uninstalling your extension, new VS "understands" that your extension was removed. After that you rebuild code and "put" it in new VS.
Detaily: