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I moved this to the VirusScan section for better support.
Shutdown during a scan is worrying as the only reason I can think of is that the machine is overheating. Is there anything else running?
If this is a desktop, are all your fans working and clean? If a laptop then I'm not sure and Technical Support would probably be your best bet in any case.
Link is below and it's free by phone or online chat.
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I forgot to ask, McAfee relies on Internet Explorer for function, so do you have IE11 installed (I'm assuming 7 is actually 7 SP1).? (It doesn't have to be your default browser).
Machine is a desk-top. Nothing else running at shut down time. Notice that McAfee uses 54-60% of my CPU.
Used "Virtual Technician" it found two errors in registry and repaired them....did not fix my problem.
Cabinet fans "appear" to be working BUT can't remember last time I have heard them kick into high gear (3 speed).
Exhaust air warmer at 20-24 % scan than at start-up.
Will have to dig in to cabinet to see about CPU fan and video board fans....ugh....had thought about that really didn't want to.
Running IE 10, you say I "must" have 11?
Or, McAfee "may" run better with IE 11.
Yes it may run better as it relies on the latest available for whatever system it's installed on.
Also I suggest you do a chkdsk as per this Tutorial as the scan may be tripping up because it can't read some sectors: Disk Check - Windows 7 Help Forums
I would use Option 2 - the Command Prompt method and use the /r delimiter so it checks everything and makes corrections where possible.
Installed IE 11. Ran a "Quick Scan" it was O.K. However now McAfee doesn't offer me a
deep scan". Will wait till tomorrow and see if I can do a complete scan.
The "ckdrv" produced nothing.
Thanks for your help. Will check tomorrow and see what happens.
Chkdsk you mean, well it was merely a possible reason. If there are further issues I think your best bet is Technical Support.
Good luck ;-)
Two extra thoughts
1. does it jam up on the same file/
2 mcafee install could have been corrupted best to uninstall reinstall from your account