i'll have a read through the link - i noticed a pattern of logs which keep appearing, there was one other log that kept repeating (below) which i googled - didn't mention earlier
Event filter with query "SELECT * FROM __InstanceModificationEvent WITHIN 60 WHERE TargetInstance ISA "Win32_Processor" AND TargetInstance.LoadPercentage > 99" could not be reactivated in namespace "//./root/CIMV2" because of error 0x80041003. Events cannot be delivered through this filter until the problem is corrected.
I also found a driver update (ATI Radeon HD3450 series) in windows optional - i'm sure i've unsuccessfully tried to load it previously, loaded OK today though