--- a/solenv/bin/modules/installer/worker.pm	2010-11-20 13:36:38.000000000 +0000

+++ b/solenv/bin/modules/installer/worker.pm	2010-11-20 13:36:42.000000000 +0000

@@ -204,7 +204,6 @@

         $installdir = installer::systemactions::create_directories("install", $languageref);

         installer::logger::print_message( "... creating installation set in $installdir ...\n" );

-        remove_old_installation_sets($installdir);

         my $inprogressinstalldir = $installdir . "_inprogress";

         installer::systemactions::rename_directory($installdir, $inprogressinstalldir);

         $installdir = $inprogressinstalldir;