Index: AE/Installer/trunk/source/installer.cpp
===================================================================
--- AE/Installer/trunk/source/installer.cpp	(revision 551)
+++ AE/Installer/trunk/source/installer.cpp	(revision 552)
@@ -1339,5 +1339,10 @@
 	
 #ifdef WIN32
-	//string strTrashDir = "Trash\\"; // string unused in Windows because files are simply deleted
+	//remove readonly attrib from files.
+	setStatusArea("Removing readonly attribute...");
+	system("attrib -r ./* /s");
+	system("attrib -r ../Oni.exe /s");
+	system("attrib -r ../binkw32.dll /s");
+	
 #else
 	FILE *fUserName = NULL;