--- AE/Installer/trunk/source/installer.cpp	2010/05/29 02:09:04	553
+++ AE/Installer/trunk/source/installer.cpp	2010/05/29 18:41:43	556
@@ -757,7 +757,7 @@ void copyBSL(string copypath, vector<str
 					}
 				}
 				if (!skip_folder && !exists("../GameDataFolder/IGMD/" + dir_itr->path().filename() + "/ignore.txt")) {
-					remove_all( "../GameDataFolder/IGMD/" + dir_itr->path().filename() );
+					if(!pkg.hasAddon) remove_all( "../GameDataFolder/IGMD/" + dir_itr->path().filename() );
 					Sleep(100);
 					create_directory( "../GameDataFolder/IGMD/" + dir_itr->path().filename());
 					BSLlog << "Copied " << dir_itr->path().string() << " in " << pkg.modStringName << "!\n";