SQL Server 2008 R2 can't connect to local database in Management Studio

Question

I am using SQL Server 2008 R2 Express.

I first installed SQL Server 2008 R2 Express Management Studio and then I installed SQL Server 2008 R2 Express. I have the ins

Answer 1

I had this problem. My solution is: change same password of other in windowns. Restart Service (check logon in tab Service SQL).