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<blockquote data-quote="Emsisoft" data-source="post: 930356" data-attributes="member: 10447">I wrote a blog post on RAM usage a couple of years ago. It&#039;s still valid: <a href="https://blog.emsisoft.com/en/22176/why-antivirus-uses-so-much-ram-and-why-that-is-actually-a-good-thing/" target="_blank">Why antivirus uses so much RAM - And why that is actually a good thing! | Emsisoft | Security Blog</a>TLDR: Always use your RAM to get best performance. There is no advantage whatsoever by keeping RAM free. If you want to make Emsisoft Anti-Malware &#039;look nice&#039; in Task Manager, just enable the &#039;Memory usage optimization&#039; in Advanced Settings, then it will hide its RAM use just like most other AVs do. Regarding the &#039;noticeable impact&#039; on performance: Did you maybe change the File Guard Scan Level setting away from defaults to &#039;Thorough&#039; or even &#039;Paranoid&#039;? That would explain the issue. Note that we don&#039;t recommend anything but &#039;Default&#039; here.</blockquote>

[QUOTE="Emsisoft, post: 930356, member: 10447"] I wrote a blog post on RAM usage a couple of years ago. It's still valid: [URL="https://blog.emsisoft.com/en/22176/why-antivirus-uses-so-much-ram-and-why-that-is-actually-a-good-thing/"]Why antivirus uses so much RAM - And why that is actually a good thing! | Emsisoft | Security Blog[/URL] TLDR: Always use your RAM to get best performance. There is no advantage whatsoever by keeping RAM free. If you want to make Emsisoft Anti-Malware 'look nice' in Task Manager, just enable the 'Memory usage optimization' in Advanced Settings, then it will hide its RAM use just like most other AVs do. Regarding the 'noticeable impact' on performance: Did you maybe change the File Guard Scan Level setting away from defaults to 'Thorough' or even 'Paranoid'? That would explain the issue. Note that we don't recommend anything but 'Default' here. [/QUOTE]

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