There were a couple of recent issues related to activating and running Shozam on Vista. These have been resolved. Please download the latest fix (version 1.0.0.9) from http://www.shozam.com (the free download).
IMPORTANT: Vista users need to use the built-in Administrator account to have complete Windows rights to run the program. A user created Administrator account does not have sufficient Windows rights to run the program. By default, the Administrator account is present, but it's hidden and disabled on all clean installs of the operating system.
To access the true Administrator account in Windows Vista follow the procedure below:
Start by booting your computer to Vista in your computer administrator account. Open the Administrative Tools Control Panel. Double-click the Computer Management item to open it. Authorize UAC by clicking the Continue button. Double-click "Local Users and Groups" to open it. [ If you are still unable to access "local users and groups" on vista machine, then follow this:1)Go to the Start menu --> Click Run (or hold down the "Windows Flag" key and click the "R" key on your keyboard). 2)Paste "lusrmgr.msc" in the 'Run' window and click OK.]
Click the Users folder. On the right side of Computer Management, you should see icons for all of the user accounts created on your computer. The ones that have small red circles with an "X" through them are disabled.
Click to select the Administrator icon, and then right-click it to open its context menu and choose Properties. Remove the check mark from the "Account Is Disabled" box and click OK. You'll need to restart your computer to access Administrator.
You can also right-click on Shozam shortcut and select "Run as Administrator" in the context menu (if you are a Standard or Power user in Vista).