Over the past 2 days,I have run my system with individual protection modules disabled, and watched for lockups.
The results are shown below.
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PROTECTION MODULE
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Web - Exploit - Malware - Ransomware --- Result
on on on off Lockup (within an hour)
on on off on Lockup "
on off on on Lockup "
off on on on NO Lockup (ran for 12hrs to verify)
on off off off Lockup (2 mins after startup)
To this 73 Yr old, retired Control Data mainframe Engineer, it would appear that the Web Protection module has issues.
I realise how involved a software problem can be to fix.
Good luck to your team as they try to pin down the problem.
Anything else you want from me --Just ask.
PS-I'm no software guru - just an old hardware troubleshooter - can't seem to get it out of my system <Grin>
Brendan.