You realise don't you that you can limit your own upld/downld bandwidth. Go to Tools>Options>Upld or Downld & see the options for bandwidth control. If it's not enought then perhaps you set your speed incorrectly; see
What speeds are T1/T3, etc. for LW
Also see the following link & follow all the off-shoot links to find hints & extra skills to help solve your problem:
To continue files downlding (click on link)