This patch fixed this issue: some Xp machines NSS is not detecting that office 2003 is installed.
The customer just needs to:
- unzip the file from attachment in a temporary folder
- backup file Program Files\GFI\LANguard 9.0\getinstprodop.dll
- stop languard.exe, lnssatt.exe processes
- overwrite the existing getinstprodop.dll file with the new getinstprodop.dll (from the temporary folder)
- start "GFI LANguard Attendant" service .
Open LANguard and run a new scan
 

