thnx.

i tried to work around by chance to remove the blue squirky lines particular in the Dim config As System.Configuration.Configuration

what i did is import configuration related namespace to make sure i wont miss a thing
vb Code:
  1. Imports System.Configuration
  2. Imports System.Configuration.ApplicationScopedSettingAttribute
  3. Imports System.Configuration.ApplicationSettingsBase
  4. Imports System.Configuration.Assemblies
  5. Imports System.Configuration.DefaultSettingValueAttribute
  6. Imports System.Configuration.NoSettingsVersionUpgradeAttribute
  7. Imports System.Configuration.SettingAttribute
  8. Imports System.Configuration.SettingsAttributeDictionary
  9. Imports System.Configuration.SettingsDescriptionAttribute
  10. Imports System.Configuration.SettingsGroupDescriptionAttribute
  11. Imports System.Configuration.SettingsGroupNameAttribute
  12. Imports System.Configuration.SettingsLoadedEventArgs
  13. Imports System.Configuration.SettingsManageabilityAttribute
  14. Imports System.Configuration.SettingsPropertyWrongTypeException
  15. Imports System.Configuration.SettingsProviderAttribute
  16. Imports System.Configuration.SettingsSerializeAsAttribute
  17. Imports System.Configuration.SpecialSettingAttribute
  18. Imports System.Configuration.UserScopedSettingAttribute

but still i received the same error.