we did the upgrade using the upgrade gui tool. the only two modules that cannot be upgraded are the backup/restore and the sys admin
the backup/restore upgrade fails with the following
Please wait while module actions are performed
Downloading backup 130468 of 130468 (100%)Error(s) downloading backup:
File Integrity failed for /var/www/html/admin/modules/_cache/backup-220.127.116.11.tgz - aborting
the sys admin upgrade fails with
Errors with selection:
System Admin cannot be upgraded:
PHP version 5.3.0 or higher is required, you have 5.2.17
PHP Component Zend Guard Loader is required but missing from you PHP installation.
Please try again after the dependencies have been installed.
i saw a number of posts about this in 2011 but nothing recent.
i am looking for advice on proceeding.