Newie is newie!
CHMODing 777 cache/uploads/templates_c and 444 mainfile.php;and delete non-downloaded modules etc:

Warning: main(210.52.223.34/include/common.php): failed to open stream: No such file or directory in /www/users/beckershomes.cn/mainfile.php on line 95

Warning: main(210.52.223.34/include/common.php): failed to open stream: No such file or directory in /www/users/beckershomes.cn/mainfile.php on line 95

Fatal error: main(): Failed opening required '210.52.223.34/include/common.php' (include_path='.:/usr/local/php4/lib/php') in /www/users/beckershomes.cn/mainfile.php on line 95

You've deleted files that are needed.

The only files you need to delete are for modules which you don't need. Modules are in the ./modules/ directory.

After you install XOOPS you will also need to delete the ./install/ directory.

Reupload the files and it will work.