it is a simple proces. Go to System:tools and double click HDToolbox. Click on 'Partition Drive' button . Select 'Advanced options' and now you get more options. Click on 'Change' button. Select the Maxtransfer Textbox and change the value to 0x1fe00. click on 'OK' button to close the the window. Do the same with other partition. click on 'OK' button to close the the window when you chnage the Maxtransfer value of all partitions. Click on the 'Exit'-button to close HDtoolbox.