CMS Flash Errors

I have been trying to get site up for over a week. I upgraded my server, paid to have Zend Optimized 3.3.3 and mcrypt extension installed. I have opened many help tickets and the have gotten rid of my errors of Zend Optimizer not installed to the following error.

There is an error while checking admin/gateway.php:
PHP Fatal error: Uncaught exception ‘Zend_Log_Exception’ with message ‘“C:/inetpub/vhosts/” cannot be opened with mode “a”’ in C:\inetpub\vhosts\\httpdocs\admin\libs\Zend\Log\Writer\Stream.php:66 Stack trace: #0 C:\inetpub\vhosts\\httpdocs\admin\config\ProjectConfig.php(0): Zend_Log_Writer_Stream->__construct(‘C:/inetpub/vhos…’) #1 C:\inetpub\vhosts\\httpdocs\admin\config\ProjectConfig.php(0): ProjectConfig::initLog() #2 C:\inetpub\vhosts\\httpdocs\admin\gateway.php(0): ProjectConfig::setup() #3 {main} thrown in C:\inetpub\vhosts\\httpdocs\admin\libs\Zend\Log\Writer\Stream.php on line 66

And your question is?

My question is they say everything is fine, but my site still gives me an error like the one I copied into my post

“moto.log” cannot be opened with mode “a”

-> file permission?