I have the module file for not found error as well. I did check everything multiple times. I did everything according to the readme file.
php debug did not give any errors in the admins modules section. My server's error log says:
[client xx.xx.xxx.xxx] PHP Notice: Undefined variable: mydirname in /x/x/x/x/x/x/html/php/xoops_trust_path/modules/wraps/language/english/modinfo.php on line 4
[client xx.xx.xxx.xxx] PHP Notice: Undefined variable: mydirname in /x/x/x/x/x/x/html/php/xoops_trust_path/modules/wraps/xoops_version.php on line 9
[client xx.xx.xxx.xxx] PHP Notice: Undefined variable: mydirname in /x/x/x/x/x/x/html/php/xoops_trust_path/modules/wraps/xoops_version.php on line 12
[client xx.xx.xxx.xxx] PHP Notice: Undefined variable: mydirname in /x/x/x/x/x/x/html/php/xoops_trust_path/modules/wraps/xoops_version.php on line 21
[client xx.xx.xxx.xxx] PHP Notice: Undefined variable: mydirname in /x/x/x/x/x/x/html/php/xoops_trust_path/modules/wraps/xoops_version.php on line 35