LG Flash Tool - Free - no need B2B User/Pass

How to correctly install LG Flash Tool v1.4.1.330R

1] Disconnect your computer from the internet.

2] Install the software program by executing:
Setup_LGFlashTool_1.4.1.330R.exe

3] Set your computer’s date to:
26th August 2012 (or earlier.)

4] Use the following serial number to register the software program:
39B0-IH19-4UAO-G6T8

Thanks to simonng83 for the serial number.