adobe71 0 Junior Poster in Training

i am using visual studio 2008,windows vista operating system,i put the ms access database inside "c:/windows/test.mdb",i also put in c:/test.mdb.but in both cases when i execute update query it gives error-"Operation must use an updateable query".But it works fine when i put database in non-window drive as E:,P: etc,also in window XP it works fine.Pls solve my problem.