Metadefender Core v4 v4.8.2 13. Knowledge Base Articles Page: Are Metadefender Core v4 upgrades free? Page: Can I disable (and later re-enable) any of the antivirus engines in Metadefender Core v4? Page: Are there any dependencies that need to be fulfilled for Metadefender Core v4 engines ? Page: Can I install Metadefender Core v4 silently from a command line? Page: Does Metadefender Core v4 offer real-time antivirus protection on the system where it is installed? Page: How can I run tests to see the different scan results on Metadefender Core v4? Page: How can I configure the maximum queue size in Metadefender Core v4 ? Page: How can I find a sanitized file scanned with Metadefender Core v4? Page: How can the TEMP folder be changed? Page: How do I deploy Metadefender Core v4 to an offline Windows environment? Page: How can I upgrade from Core v4.7.0/v4.7.1 to a newer Core v4.7 release Page: Using Metadefender core V4 BLACKLIST feature Page: What are Security Policies and how do I use them? Page: What should I do if an engine is in "failed" or "permanently_failed" status? Page: What operating system patches should be applied to the system hosting Metadefender Core?