Mitsubishi PLC GX Developer programming software installation problems

1: If you previously installed software Mitsubishi Must first remove the old software and then delete the old registration documents
2: Open the Start Run enter REGEDIT point to determine open registry manually look for the following key
HKEY_LOCAL_MACHINE \ SOFTWARE \ MITSUBISHI
3: MITSUBISHI free to change the name, press F5 to refresh the OK and then reinstall new software