Hi People,

I have an apex class & visualforce page tab working perfectly well on Admin users.But when a standard user clicks on the visualforce tab, he keeps getting the following error: Insufficient privileges,You do not have the level of access necessary to perform the operation you requested. Please contact the owner of the record or your administrator if access is necessary.

On the security of both the apex class & visualforce page i have enabled both profiles.I have checked almost everything regarding profile accessibility & everything looks fine.Kindly guide me on what could be the problem that i have overlooked.