As a consequence of the changes that occurred after the product was sent to production, in order to increase the designer's productivity, it is necessary to make changes in the settings. This change in settings is not necessary in the final release of the product.
Close all copies of the VS program.
Open RegEdit (with admin rights)
Select the key HKEY_LOCAL_MACHINE \ SOFTWARE \ Microsoft \ VisualStudio \ 10.0
Add a new section with the name “ClrHost”
In the new section, create a DWORD32 key named “StartupFlags”