Hi, My sybase unwired server is stopping frequently. could any body help me out?

Hi,

I have installed unwired server 2.1 in windows 2008 r2 server and updated to 2.1.3. My unwired server starts normally. but sybase unwired server is stopping in frequent timings in every 2 or 3 mints.. Could any body help me out please?

I am running unwired server in default port 2000. and I have shutdown firewalls.