Re: Icon not changing during 'kill download'
Fixed in development, will be in 3.9.6.

Re: Repeat search doesn't work
Assuming that this problem is because a filter was selected, it's fixed for the next version.

Re: Banned Greedy Servent
I had thought the banned stuff would only kick in if the person was trying to download the same file over and over... but maybe not. We'll take a closer look.