Comment: wamp ou xampp ?

Bonjour,
J'ai également voulu passé à WAMP , j'ai téléchargé  la dernière version  1.6.6. Sur une tentative  installation "neuve"  de YACS 6.9,  j'obtiens le message suivant:

Warning: include_once(f:/tmp/yacsshared/safe.php) [function.include-once]: failed to open stream: No such file or directory in F:\Program Files\wamp\www\yacs\shared\global.php on line 93

Warning: include_once() [function.include]: Failed opening 'f:/tmp/yacsshared/safe.php' for inclusion (include_path='.;C:\php5\pear') in F:\Program Files\wamp\www\yacs\shared\global.php on line 93

Warning: include_once(f:/tmp/yacsagents/logger.php) [function.include-once]: failed to open stream: No such file or directory in F:\Program Files\wamp\www\yacs\shared\global.php on line 96

Warning: include_once() [function.include]: Failed opening 'f:/tmp/yacsagents/logger.php' for inclusion (include_path='.;C:\php5\pear') in F:\Program Files\wamp\www\yacs\shared\global.php on line 96

Fatal error: Class 'Safe' not found in F:\Program Files\wamp\www\yacs\shared\global.php on line 99