MetaDefender Core v3.15.2 9. Knowledge Base Articles Page:Avira engine not updating Page:Can I control access to the RAM disk? Page:Are MetaDefender Core upgrades free? Page:Can I force an uninstall of MetaDefender Core v3 when the native uninstall does not work? Page:Can I install MetaDefender Core v3 silently from a command line? Page:Does MetaDefender Core v3 require lots of memory for MongoDB usage? Page:Does MetaDefender Core Detect the NotPetya Ransomware? Page:Do any of the custom engines have updating limitations? Page:Does MetaDefender Core offer real-time antivirus protection on the system where it is installed? Page:Can I whitelist or blacklist a file so that MetaDefender Core will always treat it as clean or dirty, respectively? Page:Can I run MetaDefender Core without IIS? Page:How do I configure MetaDefender Core v3 to only use one or several scan engines using the CLI? Page:Does the fixing updates for Meltdown and Spectre vulnerabilities affects any engines in MetaDefender Core v3? Page:How can I run tests to see the different scan results on MetaDefender Core? Page:Does the RAM Disk size actually take space from the server-available hard disk space? Page:How can I purchase MetaDefender v3 licenses? Page:How can I see the number of files queued to be scanned? Page:How do I change the directory MetaDefender Core uses for archive extraction? Page:Does the RAM Disk operate like other drives? Page:How do I set a password for the MetaDefender Core Management Console? Page:How do I remove an engine from my MetaDefender Core v3 instance? Page:What is a sanitized file? Page:What is MetaDefender Core file type detection? Page:What is the difference between Scan, PutToScanQueue, and ScanEx? Page:What is the support lifecycle for OPSWAT Appliances? Page:What is the frequency of signature / definition updates? Page:What is the RAM Drive or Ram Disk and how is it used in MetaDefender Core? Page:What is the maximum file upload size limit when accessing MetaDefender Core through the REST server? Page:What URLs must be whitelisted to allow access to virus definition updates? Page:When I click Apply after I change the maximum total size of extracted files, I get an "Update failed" message. Why is that? Page:Where can I submit false positives detected by MetaDefender Core? Page:What should you do if you have anti-malware on the same machine as MetaDefender Core (formerly Metascan) ? Page:What thread pool size should I use in MetaDefender Core v3? Page:When will the updates for ThreatTrack and Agnitum no longer be available ? Page:What operating system patches should I apply to the system hosting MetaDefender Core? Page:Why did the AVG engine disappear from the MetaDefender Core Management Console? Page:Why do I get a prompt to install OPSWAT by Christiaan Ghijselinck? Page:Where is MetaDefender Core's temp directory located? Page:Which antivirus engines are designated by MetaDefender Core as "customer licensed engines"? Page:Which antivirus products are compatible with MetaDefender Core? Page:Why do large archive scans fail when the temp folder is set on a different drive ? Page:Why does my Customer Licensed Engine (antivirus) always return "failed to scan"? Page:Why am I getting a COM UnauthorizedAccessException error: 80070005 when working with MetaDefender Core from ASP? Page:Why did MetaDefender Core stop working on Windows 10 ? Page:Why should I upgrade my MetaDefender Core?