Error: Web site worker process has been terminated by IIS

Error Message: The web server process that was being debugged has been terminated by Internet Information Services (IIS), This can be avoided by configuring Application Pool ping settings in IIS

Solution:
In Internet Information Services (IIS) Manager -> Connections pane -> Application Pools -> Advanced Settings -> Process Model section, do one of this:

Set Ping Enabled to False.

Set Ping Maximum Response Time to a value that is larger than 90 seconds.

Creating SharePoint Solution Packages in VS 2010

http://msdn.microsoft.com/en-us/library/ee231560.aspx