Hello,
I too am unable to re-activate my WinDVD Gold software after upgrading to Vista. I am the only user of this computer, and so have administrator priviledges. But that is no help. I have signed in to my account, got a new (?) activation key by clicking on SERIAL NUMBER. I have entered all of this information when promted to (re)register the software. I got a message that activation was successful and I was promted to re-launch the application. I did so but got "Your trial license period has expired" and I was promted to register again. I did this a few times but I still couldn't access the program. Last time I tried to start it I clicked "don't show me this message again" to the promt to register, however, now when I double-click the icon nothing at all happens.
I used a Support Request Form and got one reply:
If you are unable to activate your InterVideo software even with the correct activation codes, please make sure that you run it with administrator privileges:
1. Right click on your program shortcut from the Desktop or Start menu.
2. Select "Run as" and select "Administrator" as the user to run this program.
3. Apply the changes and exit.
Activation information:
To be able to activate the software, you need to enter all the required information correctly.
*The email address you enter should be the one you used to purchase it.
*Please take note that the password is case sensitive.
*The license key expires when you have used it or after 10 days so you have to retrieve a new one from your InterVideo account when you are to reuse it.
*Make sure you enter the last 4 digits for the card you used to purchase the software with.
If one of the required information is not entered correctly or if you used the activation information on a different software version then it will fail in the activation process. To retrieve your activation information, login to your InterVideo member account here: http://www.intervideo.com/jsp/Signin.jsp
None of this was helpful. I submitted a reply, giving some more details (on Friday), but have not heard back. I am wondering if there is a newer version of the software available for download. Has anybody been able to activate WinDVD on Vista? If so, what is the file version? Can anyone help?