Index: runtime/kioslave/archive/kio_archive.cpp
===================================================================
--- runtime/kioslave/archive/kio_archive.cpp	(revision 716942)
+++ runtime/kioslave/archive/kio_archive.cpp	(working copy)
@@ -129,10 +129,15 @@
         {
             archiveFile = tryPath;
             m_mtime = statbuf.st_mtime;
+#ifdef Q_WS_WIN // st_uid and st_gid provides no information
+            m_user.clear();
+            m_group.clear();
+#else
             KUser user(statbuf.st_uid);
             m_user = user.loginName();
             KUserGroup group(statbuf.st_gid);
             m_group = group.name();
+#endif
             path = fullPath.mid( pos + 1 );
             kDebug(7109).nospace() << "fullPath=" << fullPath << " path=" << path;
             len = path.length();
