In article , AAH wrote:

Win XP
ECDC 5 Platinum is not recognizing DVD 4.7 GB disks.
I understand this can be overcome by some amendments
into the registry.
All the DVD Icons in ECDC 5 Platinum are live and
active so these must have been working at certain time
in the past
The error message is:-
"No supported DVD recorders were detected on
your system"
The optical drive is definite DVD writer by Samsung
model Super Writemaster
TSSTcorpCDDVDW SH-S222L SB03 DVD/CD-R

Any help would be appreciated.

It's not worth it trying to coax very out-of-date software to work.
Even if you did, some other "gotcha" would come along.

Try some quality freeware like ImgBurn or CDBurnerXP.