HKEY_CURRENT_USER\Software\SpeedBit\Download Accelerator\Improv_DB\DataArray
HKEY_CURRENT_USER\Software\SpeedBit\Download Accelerator\Improv_DB\High
HKEY_CURRENT_USER\Software\SpeedBit\Download Accelerator\Improv_DB\Low
please delete the HKEY_CURRENT_USER\Software\SpeedBit\Download Accelerator\Improv_DB\DataArray\Elem0 (Elem1, Elem2 ...) keys
and change the HKEY_CURRENT_USER\Software\SpeedBit\Download Accelerator\Improv_DB\DataArray\Count value to 0
delete all values under the HKEY_CURRENT_USER\Software\SpeedBit\Download Accelerator\Improv_DB\High key
delete all values under the HKEY_CURRENT_USER\Software\SpeedBit\Download Accelerator\Improv_DB\Low key
sorry for my bad english