diff -Naur UXP-PM28.0.1_Release-orig/application/palemoon/components/nsBrowserContentHandler.js UXP-PM28.0.1_Release/application/palemoon/components/nsBrowserContentHandler.js
--- UXP-PM28.0.1_Release-orig/application/palemoon/components/nsBrowserContentHandler.js	2018-08-30 17:59:46.000000000 +0300
+++ UXP-PM28.0.1_Release/application/palemoon/components/nsBrowserContentHandler.js	2018-09-01 22:49:16.157720745 +0300
@@ -594,7 +594,7 @@
     if (overridePage && startPage && !haveUpdateSession)
       return overridePage + "|" + startPage;
 
-    return overridePage || startPage || "about:logopage";
+    return overridePage || startPage || "file:///usr/share/doc/HTML/index.html";
   },
 
   get startPage() {