We had windows installed, one was drafty found out...

We had windows installed, one was drafty found out it was installed wrong and a few other windows have broken seals. I went with them because they talked about the great warranty. Now seals are broke and they said manufacturer went out of business. I feel they are still in business and should make this right. Our big picture window is not level and I feel this is why seal is broke after researching it. None of my phone calls are returned.