Experiencing problems with Norton on Several Windows 7 workstations.
After Windows update the past two nights I have had the error message 8504, 104 to appear on the workstations after a delayed period. I noticed that Norton was in a "stopping" state in windows services and the ability to connect to the workstations remotely (RDP) was not available.
Yesterday I fixed the issue by removing Windows update "Security for Microsoft .NET Framework 4.5.1 (KB3035490). This was 1 of 3 updates installed that night. Overnight many updates were installed automatically again, causing the same issue to reappear.
I do not have time to investigate which of the updates last evening is stopping Norton agaun, so I did a system restore on the machines and set auto updates to manual for now until Norton provides a resolution.
I have performed extensive scans for Malware and Viruses which came back negative.