SQL Server 2005 MDF, LDF file cannot replicate issues

The "cause of the problem" SQL Server service cannot be edited as long as it is started.

"Workaround-1":

1) in the Start-Run dialog box, enter "Services.msc" to display the following interface:

2) Close the selected service as above

3) Copy MDF, LDF file

4) Restart the selected service

"Workaround-2":

Opens the SQL Server surface Area Configurator--service and connectivity surface Area Configurator-->database engine--> Service--"Stop"--copy MDF, LDF file--and restart Database service.

SQL Server 2005 MDF, LDF file cannot replicate issues