So I restored the missing svchost,exe file and restarted. All the many
missing functions immediately started working again, but after about a
minute the PC again announced that it was going to restart itself. The
count down timer gave no option to cancel. After restart the PC was
back broken again. McAfee had once again deleted the svchost.exe file.
Fortunately the link Fred posted had more information. It had
instructions on how to disable McAfee first. I followed this with a
forced update of McAfee and all was well again -- and stayed that way.
The link was...
http://brianseekford.com/index.php/2010/04/21/how-to-fix-the-mcafee-svchost-crash-from-the-virus-definition-update/
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