That worked great. However, I also have a "Reset" command button on the same form. When the user clicks the "Reset" button it clears and resets all of the checkboxes so that none of them are checked. I would like it to work so that if the user clicks Reset, it will again disable the OK button until they reselect one or more checkboxes. This is the code I currently have (but the OK button remains Enabled, so something isn't working). Any suggestions??
Private Sub cmdReset_Click()
cmdOK.Enabled = False
chkLeftBlank.Value = False
chkNotFor.Value = False
chkInternal.Value = False
chkShred.Value = False
chkOnline.Value = False
End Sub