Question : Forefront Server Security for Exchange SBS 2008

Having an issue with a sbs 2008 server, as it is constantly downloading from the internet (on average 30mb per hour).  At this rate my internet usage reaches 100% quite quickly then the internet is shaped.

I checked the event viewer and there are 2 errors logged that i beileve are the cause for this:

Error 1-

Log Name: Application
Source: GetEngineFiles
Event ID: 6014

Event Data-

Microsoft Forefront Server Security encountered an error while performing a scan engine update.
Scan Engine: Norman
Update Path: http://forefrontdl.microsoft.com/server/scanengineupdate/x86/Norman
Proxy Settings: Disabled
Error Code: 0x80004005
Description: An error occurred during the download procedure.


Error 2-

Log Name: Application
Source: GetEngineFiles
Event ID: 6012

Event Data-

Microsoft Forefront Server Security encountered an error while performing a scan engine update.
Error Code: 0x80070102
Description: Unable to acquire the scan engine update mutex within the designated timeout period.



Do i need to have forefront server security for exchange installed if i have 3rd party security software, and will it effect the exchange server if i remove forefront?

Answer : Forefront Server Security for Exchange SBS 2008

PS- If un-installing Forefront, first stop the FSCController service in the services management console. You can then remove using programs and features in the control panel