Did the upgrade version install but wouldnt let you enter the upgrade key?
And you have the computer running OK with the 30 day evaluation trial version?
You can manually enter the upgrade key.
Turn off User Account Controls and reboot into Vista - connect to the internet.
Press Win+R keyboard shortcut to open command prompt.
Type and enter the following command in command prompt to change the product key:
cscript C:\windows\system32\slmgr.vbs -ipk <upgrade product key>
Type and enter the following command to activate Windows Vista online:
cscript C:\windows\system32\slmgr.vbs -ato
Type and enter the following command in command prompt to check and verify the activation result:
cscript c:\windows\system32\slmgr.vbs -dlv
You should...