On Windows this happens, too when not running as Adminstrator. Running the same config as Administrator it works smoothly.
[Tue Mar 06 09:53:59.734436 2012] [proxy_balancer:emerg] [pid 7064:tid 356] (OS 5)Access forbidden : AH01179: balancer slotmem_create failed [Tue Mar 06 09:53:59.735436 2012] [:emerg] [pid 7064:tid 356] AH00020: Configuration Failed, exiting Cheers Mario P.S.: No TOFU please ;-)