Add a rinse agent to the dishwasher. Also, check the temperature of the supplied water (it should be at least 120 degrees). Film could also be caused by low quality or too much detergent.
The spring clip within the door latch has lost its strength and will not hold the door shut through...
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The spring clip within the door latch has lost its strength and will not hold the door shut through an entire cycle. Where can i get a new latch please?