Could you kindly describe the situation in more details: what you were doing when an error occurred. That's very important for us to reproduce and fix the problem.

Many thanks for your report! You make us better, we are constantly working to enhance your extension.

Could you, please, contact the support team http://www.freedownloadmanager.org/support.htm and describe both situations in more details? It would be great if you can provide a video or a screenshot.