Hi, im getting the following errors: In application log i get: Event Type: Error Event Source: MSExchangeIS Event Category: Virus Scanning Event ID: 9569 Date: 23-06-2005 Time: 9:46:14 User: N/A Computer: BIGBLUE Description: Exception -1073741819 occurred in virus scanner while scanning a message. in system log Event Type: Error Event Source: Service Control Manager Event Category: None Event ID: 7031 Date: 23-06-2005 Time: 9:46:24 User: N/A Computer: BIGBLUE Description: The Microsoft Exchange Information Store service terminated unexpectedly. It has done this 8 time(s). The following corrective action will be taken in 0 milliseconds: No action. I have win2k sp4 exhange 2000 sp3 and the antivirus is Panda ExchangeSecure without stoping the antivirus the information store keeps stoping. Any ideias? best regards, nelson camacho