Problem at 7th step of installation

<TYPE YOUR MESSAGE HERE, ENTER SYSTEM DETAILS BELOW>
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Gallery URL (optional):
Gallery version: 2. Beta 1, 04/06/2005
Webserver (with version): Apache 2.0.53
Datatabase (with version): Mysql 4.1
PHP version (eg 4.2.1): 4.3.10
phpinfo URL (optional):
Graphics Toolkit(s):
Operating system: Win XP Serv.2
Web browser/version: firefox
G2 version (for migration bugs):
Stack Trace:

Debug Output:

file_exists(C:\www\gallery2\g2data\/cache/entity)
file_exists(C:\www\gallery2\g2data\/cache/layout)
file_exists(C:\www\gallery2\g2data\/cache/module)
file_exists(C:\www\gallery2\g2data\/cache/derivative)

(mysql): SHOW TABLES

file_exists(C:\www\gallery2\modules\core\classes\helpers/../../../../modules/core/module.inc)
file_exists(C:\www\gallery2\g2data\\versions.dat)

Thank you