Check at first what the currently used grid is. 0.1 inch?
• Check with the INFO command the location of part and net. If the displayed coordinates are on grid the problem might be caused in the library definition. To check the location of the objects properly it can be usefull to set GRID FINEST. • Check the location of the pins in the Symbol Editor with the INFO command. • Check the location of the gate in the Device Editor with the INFO command.