Increase disk cache size (Properties ->Advanced->somewhere in there). Options->Preferences-> click on '+' in fornt of 'Advanced'->Disk Cache-> uncheck 'Enable cache of disk writes'. In order to solve this very very very very very very annoyng problem go to: To fix this, go to Task Manager, then processes, and set 'uTorrent.exe' to high priority. It's solved for some users on utorrent forum here () and here ().
