Hi Kiran,
you have automtaic updates configured as mentioned in the below document?
http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/jabber/Windows/9_2/JABW_BK_C9731738_00_jabber-windows-install-config/JABW_BK_C9731738_00_jabber-windows-install-config_chapter_0101.html#JABW_TK_C67A6D7C_00
If you have the webserver configured, the server if reachable form jabber PC?
Regards