Most if not all Nod32 clients are getting this error message "ESET NOd32 Antivirus has not been able to connect to the update server recently to check for the latest virus signature updates. Please check your network connectivity and then try to update the virus signature again. Client version: 4.0.4670.0 virus signature: 4587 (20091109) ERAS ver: 3.1.11 virus signature DB: 4590 (20091109) We have to reboot the ERAS server then updating resumes to normal. However, we need to figure out what is trigerring this recurring failure. Thanks.