Access Server refuses to start

Hi

OS: windows server 2003 R2 enterprise 64bit

Data Services: 4.0 SP3

Access server is not starting, the following logs were found:

[Fri May 17 01:29:47 2013 ]  Cannot start server for E:\SAP BusinessObjects\Data Services/bin/al_accessserver.exe -R"E:/SAP BusinessObjects/Data Services/Accessserver" -A4000 -M  -NoSSL .GetLastError() = 193

any help?

Thanks

Pavan