MediaWiki kann nicht installiert werden. Bitte um Hilfe! :/

[Sigm@]

MediaWiki 1.4.7 installation
Please include all of the lines below when reporting installation problems.

Checking environment...
- PHP 4.4.0: ok
- PHP server API is cgi-fcgi; using ugly URLs (index.php?title=Page_Title)
- Have XML / Latin1-UTF-8 conversion support.
- PHP is configured with no memory_limit.
- Have zlib support; enabling output compression.
- Turck MMCache not installed, can't use object caching functions
- Couldn't find GD library or ImageMagick; image thumbnailing disabled.
- Installation directory: c:\programme\wamp\homepages\mywiki
- Script URI path: /php/php.exe
- Warning: $wgSecretKey key is insecure, generated with mt_rand(). Consider changing it manually.
- Connected as root (automatic)
- Connected to database... 4.1.13-nt; enabling MySQL 4 enhancements
- Warning: $wgSecretKey key is insecure, generated with mt_rand(). Consider changing it manually.
- Created database wikidb
- Creating tables... done.
- Initializing data...
- Granting user permissions... Sorry! The wiki is experiencing some technical difficulties, and cannot contact the database server.

Und genau dieser letzte Punkt stört mich :/
Ich habe dem kompletten Verzeichnis keine Berechtigungen vorenthalten. Ich verstehe das nicht, woran liegt das?

OS: Windows XP SP1a + Updates
Was braucht ihr ggf. noch an Infos?