Package Installation problem in 98

hello everybody,

Im a newbiew to this VB....Recently I've developed a software in VB/Sql server....I used the package nd deployment wizard for the setup...Packaging everything works fine...But while installing at the clients machine I get an error.."MSVCRT.DLL ...Access Violation"...Im using crystal reports 10 ...So can anybody break my last 1 month sleepless nights plz..????