Reduce upld & downld bandwidth a little more. Also consider reducing shared files a little if you have many. Up to you but you could also
Tip: Purge the Downloads Queue!
* Go to LW's prefs>Speed & tick disable Ultrapeer Cap. & press apply button.
* Set both uplds & downlds to autoclear.
* To reiterate, don't use the resume or find sources function on many if any files & see if that makes a difference.