keep getting this error, have used the hotmix mamy times, it seems to fix error for limited time period... only have 1 account on client,

Version 2012 (Build 16.4.3522.0110)

xps I7 cpu, 12gb ddr3,
windows 7 ultimate 64bit 

bullguard internet security 

so shouldn't be a problem, network firewall is not blocking live mail....