Unspecified error in asp.net

Question

i am using oledb database & on local server its working properly but on hosting server its giving Unspecified error what's exactly problem plz help ???

its my connection string

<add name="dd" connectionString="Provider=Microsoft.Jet.OLEDB.4.0;Data Source= D:\INETPUB\VHOSTS\CVS\httpdocs\App_Data\db.mdb;" />-