Hello and sorry you're having problems. The best place to download the Kindle PC application is directly from Amazon's site by clicking on the link below. This will get you back in business:
If you need further assistance let me know. Before you go, PLEASE DO click at least a 3 STAR RATING, at the top of your screen (scroll up the page to get to the STARS). That is how I am credited for my efforts by the site. You can follow up any time as needed at no additional cost.
Please view my reply for the answer to your question.
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