The Windows hotfixes for the Intel CPU bug state to check that A/V is compatible and supports a specific function "Due to an issue with some versions of Anti-Virus software, this fix is only being made applicable to the machines where the Anti virus ISV have updated the ALLOW REGKEY."
https://support.microsoft.com/en-us/help/4056897/windows-7-update-kb4056897
Does Central please?
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