无法将文件'{0}'附加为数据库'{1}'。第一个代码。本地SQL EXPRESS实例。VS 2010 SP1。Windows XP

I've been using Code First approach. I created a sql express local database "Database.mdf" in Visual Studio 2010 SP1 using MVC 4 template. When I try to run my project at my PC, I get an error:I've been using Code First approach. I created