Asset scans do not always report correct software versions.

Asset scans do not always report correct software versions.

All scanned systems are Windows XP, SP3 with permissions controlled by group policy. The versions are listed correctly in the registry under HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall.
 
How can I troubleshoot this problem?
Thanks
 
SDP Version 7.5.0 Build 7512

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