"A false positive is identifying a file as a virus when it is not a virus." (Wikipedia)
Tested files: 95

Latest:
IrfanView 4.28 (iview428.zip)
Result: 2/43 (4.7%)
SE-MediaPlayer 1.6.1.61 (SE-MediaPlayer.zip)*
Result: 1/40 (2.5%)
PhotoSelector 2.0 (PhotoSelector.zip)*
Result: 1/41 (2.44%)
Default Programs Editor 2.5 (DefaultProgramsEditor.zip)*
Result: 1/41 (2.44%)
SearchFilterView 1.00 (searchfilterview.zip)*
Result: 1/41 (2.44%)
XMPlay 3.5.1 (xmplay35.zip)
Result: 4/41 (9.76%)
AppCrashView 1.00 (appcrashview.zip)
Result: 1/40 (2.5%)
QuickEditor 4.0 (QuickEditor_Binary.zip)*
Result: 1/39 (2.57%)
MusicReading 7.01 (MusicReading-7.01.zip)*
Result: 1/41 (2.44%)
DesktopOK 1.75 (DesktopOK.zip)
Result: 1/40 (2.5%)
ColorConsole 1.71 (ColorConsole.zip)
Result: 1/40 (2.5%)
PopNote 3.9 (PNE_V39.ZIP)
Result: 1/40 (2.5%)
Kiwi Syslog Server 8.3.52 (Kiwi_Syslog_Server_8.3.52.zip)
Result: 1/41 (2.44%)
Vallen Zipper 2.30 (vzsetup.exe)
Result: 3/41 (7.32%)
Vallen JPegger 5.61 (jpsetup.exe)
Result: 1/41 (2.44%)
Vallen POP3 Mail Checker 2.30 (pop3setup.exe)
Result: 2/41 (4.88%)
Free Process Freezer 1.03 (freezer.exe)
Result: 2/41 (4.88%)
Xcalday 1.3 (setup.exe)
Result: 3/41 (7.32%)
MessenPass 1.29 (mspass.zip)
Result: 11/41 (26.83%)
K9 1.28 (k9v1.zip)
Result: 1/41 (2.44%)
Floppy Office (Floppy_Office.zip)
Result: 20/41 (48.79%)
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* NIS 2010 doesn’t detect these files, but when I upload to Virustotal the result is: 'Suspicious.Insight' ?!