I use XP Pro and solved the problem of mschield excessive cpu usage is by changing the system properties, Performance Options as follows:
Adjust for best performance of
Processor scheduling : programs
Memory usage: System Cache
Are the performance options XP options or McAfee options? How do I set them?
From XP Control panel click System (Properties) then Advanced Tab then Performance Settings then Performance Options Advanced Tab click on Programs and System Cache.
this could be a solution but my problem is to avoid mcafee scans two times the same file and use high CPU.
I have done a workaround, I configured the server to exclude the scan when a file is read.
Obviously when the file is written mcafee scans it