SQL Server Attachment database error, error 0: Unable to load DLL Microsoft prompt you to operate SQL database at will to avoid unnecessary trouble for the database

An error occurred while attaching the database to SQL Server. The error message is as follows:

Error 0: Unable to load DLL Microsoft prompts you to operate SQL database at will to avoid unnecessary trouble or the DLL. Open the query analyzer and execute the following statement:

Drop procedure sp_oacreate
Drop procedure xp_dirtree
Drop procedure xp_regwrite
Exec sp_addextendedproc n 'sp_oacreate ', n' odsole70. dll'
Exec sp_addextendedproc n 'xp_dirtree ', N 'xpstar. dll'
Exec sp_addextendedproc 'xp _ regwrite', 'xpstar. dll'

The following error may occur again: the Stored Procedure master. DBO. xp_dirtree cannot be found. | error 2812

Open the query analyzer again and execute the following statement:
Use master
Exec sp_addextendedproc xp_dirtree, @ dllname = 'xpstar. dll'