Many thanks for the replies , have just hit the 85 age milestone and the little grey cells have probs adjusting to all the new techie knowledge that abounds these days.
I use the Roxio prog for making family dvd's , a lot of its content is over my head but i get by.
After reading a few posts online i went for a re-instal , did not realise that you only get a certain amount of re -instals before the licence key is invalid , and over the 3 years i have had the software i have done it many times with the changing of pc desktops ,etc.
So after un-installing it i tried to re-instal ,but it said invalid licence key,aghhhhhhhhhhhh
I then contacted Roxio helpdesk who sent me the reply below, am a bit miffed as i paid good money for the program and one would expect it to be still usable after 3 years (although i realise that support for it would be ended sometime) even after a Windows upgrade ,surely Roxio could have devised a patch or similar to enable its usage, or its that just the wishful thinking of a ageing silver surfer ?
Seems like i will have to put the Roxio NXT 4 software on my next birthday list ....thats if i get there !
Thank you for contacting Corel Customer Support.
I do apologize for the inconvenience that this has caused you. However, the product you are inquiring about is no longer supported and is now considered as obsolete software. The latest version now is Roxio Creator NXT Pro 4 (Compatible with Windows 7, 8, 8.1, and 10). Also, Roxio Creator Nxt Pro ( 2013 ) is not compatible with Windows 10. Your best option is to upgrade.