Please re-open HiJackThis and scan. Check the boxes next to all the entries listed below.
O2 - BHO: (no name) - {DB0FFFA4-1D15-42A3-BBA9-14A3A38DBD80} - C:\WINDOWS\system32\efcBrOfF.dll (file missing)
Now close all windows other than HiJackThis, then click Fix Checked.
That's all there is in that log. What was the problem you were having?