Why does the box version of iWork '09 ask me to enter a serial number?

Why does the box version of iWork '09 ask me to enter a serial number? I have just purchased an iWork '09 box. After the installation, I tried to open Keynote but instead a popup appears asking me to enter a serial number. But the serial number is nowhere to be found on the box or on the DVD ... But I'm sure the box version of iWork '09 doesn't even require a serial number. So what's going on??
Asked by: Guest \| Views: 342

Total answers/comments: 1

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Guest [Entry]

"Apple changed their minds about serial numbers and it has caused some problems.

From this Apple discussion thread:

Remove all these files:

<bootVolume>:Applications: iWork '08
<bootVolume>:library:com.apple.iWork08.Installer.plist
<bootVolume>:library:com.apple.iWork08.plist
<bootVolume>:Users:<userAccount>:Library:Preferences:com.apple.iWork.Keynote.plist
<bootVolume>:Users:<userAccount>:Library:Preferences:com.apple.iWork.Numbers.plist
<bootVolume>:Users:<userAccount>:Library:Preferences:com.apple.iWork.Pages.plist

and then reinstall from the disk. (Tip from Yvan's post in this thread).

Similarly remove any of the iWork '09 in any of those locations."