[CustomMessages] mdac28_title=Microsoft Data Access Components 2.8 mdac28_size=5.4 MB [Code] const mdac28_url = 'http://download.microsoft.com/download/c/d/f/cdfd58f1-3973-4c51-8851-49ae3777586f/MDAC_TYP.EXE'; procedure mdac28(minVersion: string); var version: string; begin // check for MDAC installation RegQueryStringValue(HKLM, 'Software\Microsoft\DataAccess', 'FullInstallVer', version); if (compareversion(version, minVersion) < 0) then AddProduct('mdac28.exe', '/q:a /c:"install /qb /l"', CustomMessage('mdac28_title'), CustomMessage('mdac28_size'), mdac28_url, false, false, false); end; [Setup]