 <p>Another solution is to use <a href="http://jrsoftware.org/ishelp/topic_isxfunc_createoutputprogresspage.htm" rel="nofollow"><code>CreateOutputProgressPage</code></a> to display a progress page over the top of the Preparing to Install page. See the <code>CodeDlg.iss</code> example script included with Inno for an example of the usage; it's fairly straightforward.</p>