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I received a DLL from a client, who will be encrypting 4 keys to be sent in database queries.
I made the registration with sp_addextendedproc 'xp_definekey', 'c:\path\criptokey.dll'. But while running this returns the error:
Unable to load the DLL c: path criptokey.dll or one of the Dlls it refers to. Reason: 193(%1 is not a valid Win32 application.).
How to solve this problem?