February 13, 2018—KB4074588 (OS Build 16299.248) Win 10

Hello Eugene,

Yes, AVG is compatible with the saltest Windows 10 updates. You can refer this article https://support.avg.com/SupportArticleView?l=en&urlName=AVG-Meltdown-Spectre-vulnerabilities&supportType=home for further assistance.

Is the latest AVG release compatible with the latest Win 10 update? Microsoft says;

Contact your antivirus manufacturer to verify that their software is compatible and that they have set the following REGKEY on the computer:Key="HKEY_LOCAL_MACHINE"Subkey="SOFTWARE\Microsoft\Windows\CurrentVersion\QualityCompat"
Value Name="cadca5fe-87d3-4b96-b7fb-a231484277cc"
Type="REG_DWORD”
Data="0x00000000”

Hello Eugene,

Yes, AVG is compatible with the saltest Windows 10 updates. You can refer this article https://support.avg.com/SupportArticleView?l=en&urlName=AVG-Meltdown-Spectre-vulnerabilities&supportType=home for further assistance.