Repais SugarCRM and save Data Base

my SugarCRM stop working i need you to install a new sugarCRM on my server Then use the existing Data Base ton link to new new installation of SugarCRM or make this sugar CRM work again i get this error since last month i have a lot of data in the DB i need to keep all the data and make sugarCRM work fine again. you will work on my server. lstat("/home", {st_mode=S_IFDIR|0711, st_size=20480, ...}) = 0 lstat("/home/jflmedi", {st_mode=S_IFDIR|0711, st_size=4096, ...}) = 0 lstat("/home/jflmedi/public_html", {st_mode=S_IFDIR|0750, st_size=4096, ...}) = 0 lstat("/home/jflmedi/public_html/sugarcrm", {st_mode=S_IFDIR|0750, st_size=4096, ...}) = 0 lstat("/home/jflmedi/public_html/sugarcrm/include", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0 lstat("/home/jflmedi/public_html/sugarcrm/modules", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0 lstat("/home/jflmedi/public_html/sugarcrm/modules/Users", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0 lstat("/home/jflmedi/public_html/sugarcrm/modules/Users/authentication" , {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0 lstat("/home/jflmedi/public_html/sugarcrm/modules/Users/authentication/ SugarAuthenticate", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0 lstat("/home/jflmedi/public_html/sugarcrm/modules/Users/authentication/ SugarAuthenticate/[login to view URL]", {st_mode=S_IFREG|0755, st_size=5107, ...}) = 0 open("/home/jflmedi/public_html/sugarcrm/modules/Users/authentication/S ugarAuthenticate/[login to view URL]", O_RDONLY) = 6 fstat(6, {st_mode=S_IFREG|0755, st_size=5107, ...}) = 0 read(6, "<?php\nif(!defined('sugarEntry') || !sugarEntry) die('Not A Valid Entry Point');\n/************************************************************ *********************\n * SugarCRM Community Edition is a cu"..., 8192)