UpdateTrustedSites.exe, a Microsoft utility, may be causing errors or consuming large amounts of CPU on Windows clients.
This can happen on standalone computers, when running Windows within Citrix or other situations.
Windows Server (variety of versions)
Symantec Endpoint Protection 12 and 14
"UpdateTrustedSites.exe has stopped working" popup.
Task Manager showing UpdateTrustedSites.exe consuming large amounts of CPU
SEP is preventing UpdateTrustedSites.exe from working properly.
SEP was designed to allow for exclusion of executables for situations such as this one. The resolution is to create an exception for UpdateTrustedSites.exe within the SEP policy used by the affected SEP client computers.
In the SEPM console:
Click the Policies icon in the left-hand pane
Click 'Exceptions' in the center pane
Double-click 'Exceptions policy' in the main pane
In the new window, click 'Exceptions'
Click the 'Add' button
Select 'Windows Exeption'
Select 'File' from the sub list
Add entries as follows. Be sure to specify the correct path to UpdateTrustedSites.exe on your systems.
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