I only have problems like this when I have windows that have very large amounts of items in them. Most recently I saw this happen when I had a corp junk loot folder open while trying to drag ammo into the bot fitting window. Each time the client locked for a couple seconds before I could load the next weapon.
It doesnt even have to be the same container/folder you're moving stuff from. The loot was in corp storage and the ammo I was moving was in private storage. The fact that theres so many items/icons currently viewing makes it refresh every item any time theres any change anywhere. I cant really think of why it would need to refresh everything, but it looks as if it does currently.
This same issue also makes it nearly impossible to drag large amounts of separate items from 1 folder to another because it has to load all of the icons into the "ghost drag" UI before letting anything be moved. I'd prefer if it just didnt show those ghost items, or only showed enough of them to "look" like all were there, but only enough were loaded that you couldnt possibly see the end of it wherever the cursor was on the screen. This may deem its own thread, and I may make it later with illustrations when I get back from work
Do you have a container open that has many many items in it? I cant see only mining loot causing this, so are there other people dumping damaged loot into it as well?
->You just lost The Game<-