It appears that everything is working now after installing Creator 5X update (ecdc_v188.8.131.52_basic_enu.exe). I believe what has happend causing my problems is that I was not able to install this ecdc_v184.108.40.206_basic_enu.exe, till you advised me to use RoxiZap to remove all the files after uninstalling. This ecdc_v220.127.116.11_basic_enu.exe is apparently needed to allow formatting of DVD+R/W.
Thanks Skybird for your assistance.
Precision Tower 5810, Quadcore Intel Xeon E5-1630 v3, 3700 MHz
RAM:16 GB PC6400 DDR4 SDRAM 1066MHz
HDD: 2x ATA ST500DM002-1BD14 500GB SATA non RAID
DVD:HL-DT-ST DVD+-RW GTA0N SCSI and PLDS DVD+-RW DH-16AES SCSI
Video: nVIDIA Quadro K4200 PCIe 4GB
Audio: Recon3D PCIe, Altec Lansing ADA995 5.1 speakers
Monitor: Dell E2011H