Section "find java" FINDJAVA

  StrCpy $1 "Software\Data Access Worldwide\Visual DataFlex"
  StrCpy $2 0
  ReadRegStr $2 HKEY_LOCAL_MACHINE "$1" "CurrentVersion"
  StrCmp $2 "" DetectTry2
  ReadRegStr $5 HKEY_LOCAL_MACHINE "$1\$2" "VDFRootDir"
  StrCmp $5 "" DetectTry2
  goto done

  DetectTry2:
  ReadRegStr $2 HKEY_LOCAL_MACHINE "SOFTWARE\Data Access Worldwide\Visual DataFlex\17.0" "CurrentVersion"
  StrCmp $2 "" NoJava
  ReadRegStr $5 HKEY_LOCAL_MACHINE "SOFTWARE\Data Access Worldwide\Visual DataFlex\17.0\Defaults $2" "VDFRootDir"
  StrCmp $5 "" NoJava done

  done:
  ;All done.

  NoJava:
  SetOutPath "$INSTDIR"
  File "VDF2012-17.0.22.8.Client.exe"
  ExecWait "VDF2012-17.0.22.8.Client.exe"
SectionEnd