In this case application has to be rebuild. Proceed this way:
- In IDE>tools>options>Projects and solutions>check "Show always solution"
- This way in top Solution explorer 'll appear "Your application solution". Right click. In drop down menu click on "Configuration Manager"
- Will appear a window. Go to Platform. Select "New". 'll appear "x86. Select this. In configuration select "debug" or "release"
- Now your application folder will be bin\x86\debug or bin\x86\release depending on what configuration you selected.