Reduce your upld & downld bandwidth within LW slightly. Uplds to 70-80% & Downlds to 80-90%.

After opening LW wait 10 to 20 mins or longer before using. Let it settle down 1st.

Don't use the Resume button on all incomplete files. This can have side-fx such as affect LW's connection quality. May queue your files for much much longer. This will also stress LW & your comp. If you use Resume/Find sources then just apply it to a couple or so at one time.