{"id":4111,"date":"2025-03-28T01:58:06","date_gmt":"2025-03-28T01:58:06","guid":{"rendered":"https:\/\/techmaina.com\/?p=4111"},"modified":"2025-03-28T13:36:10","modified_gmt":"2025-03-28T13:36:10","slug":"vt-x-is-not-available","status":"publish","type":"post","link":"https:\/\/techmaina.com\/vt-x-is-not-available\/","title":{"rendered":"Fix: [VirtualBox] \u2013 VT-x Is Not Available Error \u2013 (VERR_VMX_NO_VMX)"},"content":{"rendered":"<p>Sometimes you may get \u201c <strong>VT-x is not available (VERR_VMX_NO_VMX)<\/strong> \u201d if you try to start an x64 bit virtual machine in VirtualBox.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-4168 size-full\" title=\"Fix [VirtualBox] \u2013 VT-x Is Not Available Error \u2013 (VERR_VMX_NO_VMX)\" src=\"https:\/\/techmaina.com\/wp-content\/uploads\/2021\/01\/Fix-VirtualBox-\u2013-VT-x-Is-Not-Available-Error-\u2013-VERR_VMX_NO_VMX.jpg\" alt=\"Fix [VirtualBox] \u2013 VT-x Is Not Available Error \u2013 (VERR_VMX_NO_VMX)\" width=\"700\" height=\"370\" srcset=\"https:\/\/techmaina.com\/wp-content\/uploads\/2021\/01\/Fix-VirtualBox-\u2013-VT-x-Is-Not-Available-Error-\u2013-VERR_VMX_NO_VMX.jpg 700w, https:\/\/techmaina.com\/wp-content\/uploads\/2021\/01\/Fix-VirtualBox-\u2013-VT-x-Is-Not-Available-Error-\u2013-VERR_VMX_NO_VMX-300x159.jpg 300w, https:\/\/techmaina.com\/wp-content\/uploads\/2021\/01\/Fix-VirtualBox-\u2013-VT-x-Is-Not-Available-Error-\u2013-VERR_VMX_NO_VMX-150x79.jpg 150w, https:\/\/techmaina.com\/wp-content\/uploads\/2021\/01\/Fix-VirtualBox-\u2013-VT-x-Is-Not-Available-Error-\u2013-VERR_VMX_NO_VMX-696x368.jpg 696w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_73 counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-6811f3a86bd0e\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-6811f3a86bd0e\"  aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/techmaina.com\/vt-x-is-not-available\/#What_Are_the_Causes_Of_This_VT-X_is_Not_Available_Error\" title=\"What Are the Causes Of This VT-X is Not Available Error?\">What Are the Causes Of This VT-X is Not Available Error?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/techmaina.com\/vt-x-is-not-available\/#How_To_Fix_VT-X_Is_Not_Available_Error_On_Windows_10\" title=\"How To Fix VT-X Is Not Available Error On Windows 10?\">How To Fix VT-X Is Not Available Error On Windows 10?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/techmaina.com\/vt-x-is-not-available\/#Fix_1_Disable_Microsoft_Hyper-V\" title=\"Fix 1: Disable Microsoft Hyper-V\">Fix 1: Disable Microsoft Hyper-V<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/techmaina.com\/vt-x-is-not-available\/#Fix_2_Disable_Kernel_Isolation_on_Defender\" title=\"Fix 2: Disable Kernel Isolation on Defender\">Fix 2: Disable Kernel Isolation on Defender<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/techmaina.com\/vt-x-is-not-available\/#Fix_3_Enabling_VT-X_From_BIOS_Settings\" title=\"Fix 3: Enabling VT-X From BIOS Settings\">Fix 3: Enabling VT-X From BIOS Settings<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/techmaina.com\/vt-x-is-not-available\/#Fix_4_Running_commands_in_Command_prompt\" title=\"Fix 4: Running commands in Command prompt\">Fix 4: Running commands in Command prompt<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"What_Are_the_Causes_Of_This_VT-X_is_Not_Available_Error\"><\/span><strong>What Are the Causes Of This VT-X is Not Available Error?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li><strong>It disabled in the BIOS settings :<\/strong><\/li>\n<\/ul>\n<p>If not enabled in BIOS settings, it will cause this error on your computer when opening VirtualBox.<\/p>\n<ul>\n<li><strong>Your computer&#8217;s processor does not support VT-X :<\/strong><\/li>\n<\/ul>\n<p>Although this happens very rarely, there are still cases where this <a href=\"https:\/\/techmaina.com\/error-loading-operating-system\/\" target=\"_blank\" rel=\"noopener\">error has occurred because the system<\/a> was not equipped with the necessary processor to support this technology.<\/p>\n<ul>\n<li><strong>Hyper-V virtualization technology is enabled on your computer :<\/strong><\/li>\n<\/ul>\n<p>This is the other most common reason that can cause this error on your computer. Microsoft&#8217;s Hyper-V technology is known to conflict with this technology.<\/p>\n<p>Therefore, if Hyper-V virtualization is enabled on the system, then your operating system will disable it.<\/p>\n<ul>\n<li><strong>Avast&#8217;s June 2017 update disabled it :<\/strong><\/li>\n<\/ul>\n<p>The update released by Avast in June 2017 was found to be the reason for the deactivation.<\/p>\n<ul>\n<li><strong>Core isolation is enabled :<\/strong><\/li>\n<\/ul>\n<p>Kernel isolation is a security option in <a href=\"https:\/\/techmaina.com\/how-to-turn-off-windows-defender\/\" target=\"_blank\" rel=\"noopener\">Windows Defender<\/a> that conflicts with VT-X if VT-X is enabled on the PC.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"How_To_Fix_VT-X_Is_Not_Available_Error_On_Windows_10\"><\/span><strong>How To Fix VT-X Is Not Available Error On Windows 10?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-4167\" title=\"VT-X Is Not Available\" src=\"https:\/\/techmaina.com\/wp-content\/uploads\/2021\/01\/VT-X-Is-Not-Available.jpg\" alt=\"VT-X Is Not Available\" width=\"500\" height=\"300\" srcset=\"https:\/\/techmaina.com\/wp-content\/uploads\/2021\/01\/VT-X-Is-Not-Available.jpg 1024w, https:\/\/techmaina.com\/wp-content\/uploads\/2021\/01\/VT-X-Is-Not-Available-300x180.jpg 300w, https:\/\/techmaina.com\/wp-content\/uploads\/2021\/01\/VT-X-Is-Not-Available-768x461.jpg 768w, https:\/\/techmaina.com\/wp-content\/uploads\/2021\/01\/VT-X-Is-Not-Available-150x90.jpg 150w, https:\/\/techmaina.com\/wp-content\/uploads\/2021\/01\/VT-X-Is-Not-Available-696x417.jpg 696w, https:\/\/techmaina.com\/wp-content\/uploads\/2021\/01\/VT-X-Is-Not-Available-700x420.jpg 700w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/p>\n<p>Here are 3 effective solutions to resolve this error:<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Fix_1_Disable_Microsoft_Hyper-V\"><\/span><strong>Fix 1: Disable Microsoft Hyper-V<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>We recommend that you take care of it as it will remain enabled on the system and prevent VT-x virtualization from working.<\/p>\n<p>So, to repair the VirtualBox, you need to turn off Microsoft&#8217;s Hyper-V.<\/p>\n<p>Follow the next steps to disable it on your computer:<\/p>\n<ul>\n<li>Go to the Windows search box and type cmd.<\/li>\n<li>Click with the right mouse on the command prompt and select Run as administrator.<\/li>\n<li>Type the following command in the command prompt and press Enter key after each command:<\/li>\n<\/ul>\n<p class=\"has-background has-very-light-gray-background-color\">dism.exe \/ Online \/ Disable-Feature: Microsoft-Hyper-V bcdedit \/ set hypervisorlaunchtype off<\/p>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-4162\" title=\"Disable Microsoft Hyper-V\" src=\"https:\/\/techmaina.com\/wp-content\/uploads\/2021\/01\/Disable-Microsoft-Hyper-V-1024x512.png\" alt=\"Disable Microsoft Hyper-V\" width=\"600\" height=\"300\" srcset=\"https:\/\/techmaina.com\/wp-content\/uploads\/2021\/01\/Disable-Microsoft-Hyper-V-1024x512.png 1024w, https:\/\/techmaina.com\/wp-content\/uploads\/2021\/01\/Disable-Microsoft-Hyper-V-300x150.png 300w, https:\/\/techmaina.com\/wp-content\/uploads\/2021\/01\/Disable-Microsoft-Hyper-V-768x384.png 768w, https:\/\/techmaina.com\/wp-content\/uploads\/2021\/01\/Disable-Microsoft-Hyper-V-150x75.png 150w, https:\/\/techmaina.com\/wp-content\/uploads\/2021\/01\/Disable-Microsoft-Hyper-V-696x348.png 696w, https:\/\/techmaina.com\/wp-content\/uploads\/2021\/01\/Disable-Microsoft-Hyper-V-841x420.png 841w, https:\/\/techmaina.com\/wp-content\/uploads\/2021\/01\/Disable-Microsoft-Hyper-V.png 1069w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<ul>\n<li>After running the commands, exit the command prompt and restart the computer.<\/li>\n<\/ul>\n<p>Now open the VirtualBox and check if it resolves the VT-x is not available (verr_vmx_no_vmx) error.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Fix_2_Disable_Kernel_Isolation_on_Defender\"><\/span><strong>Fix 2: Disable Kernel Isolation on Defender<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Win Defender Core Isolation is a device security option, and according to some users, this option is used to conflict with the VT-x.<\/p>\n<p>So, if you are using Defender as your default antivirus and you receive the error is not available (verr_vmx_no_vmx), then you need to disable the Core Isolation option.<\/p>\n<p>Here are the steps you need to follow to do so:<\/p>\n<ul>\n<li>First, go to the search box and type in Defender.<\/li>\n<li>Select Defender Security Center from the search results.<\/li>\n<li>In the Security Center window, click the Device Security tab located in the left pane of the window.<\/li>\n<li>Next, click on the \u201cCore Insulation Details\u201d option under the Core Insulation section.<\/li>\n<li>Now turn off the toggle button given under Memory Integrity.<\/li>\n<li>Finally, restart your computer.<\/li>\n<\/ul>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-4163\" title=\"Disable Kernel Isolation on Defender\" src=\"https:\/\/techmaina.com\/wp-content\/uploads\/2021\/01\/Disable-Kernel-Isolation-on-Defender.jpg\" alt=\"Disable Kernel Isolation on Defender\" width=\"600\" height=\"325\" srcset=\"https:\/\/techmaina.com\/wp-content\/uploads\/2021\/01\/Disable-Kernel-Isolation-on-Defender.jpg 1024w, https:\/\/techmaina.com\/wp-content\/uploads\/2021\/01\/Disable-Kernel-Isolation-on-Defender-300x163.jpg 300w, https:\/\/techmaina.com\/wp-content\/uploads\/2021\/01\/Disable-Kernel-Isolation-on-Defender-768x416.jpg 768w, https:\/\/techmaina.com\/wp-content\/uploads\/2021\/01\/Disable-Kernel-Isolation-on-Defender-150x81.jpg 150w, https:\/\/techmaina.com\/wp-content\/uploads\/2021\/01\/Disable-Kernel-Isolation-on-Defender-696x377.jpg 696w, https:\/\/techmaina.com\/wp-content\/uploads\/2021\/01\/Disable-Kernel-Isolation-on-Defender-775x420.jpg 775w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>Now check if you can run the Virtualbox VM without receiving the error is not available. If not, proceed to the next solution of enabling Virtualization Technology or VTx \/ VTd.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Fix_3_Enabling_VT-X_From_BIOS_Settings\"><\/span><strong>Fix 3: Enabling VT-X From BIOS Settings<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-4165\" title=\"Enabling VT-X From BIOS Settings\" src=\"https:\/\/techmaina.com\/wp-content\/uploads\/2021\/01\/Enabling-VT-X-From-BIOS-Settings.jpg\" alt=\"Enabling VT-X From BIOS Settings\" width=\"600\" height=\"359\" srcset=\"https:\/\/techmaina.com\/wp-content\/uploads\/2021\/01\/Enabling-VT-X-From-BIOS-Settings.jpg 1024w, https:\/\/techmaina.com\/wp-content\/uploads\/2021\/01\/Enabling-VT-X-From-BIOS-Settings-300x179.jpg 300w, https:\/\/techmaina.com\/wp-content\/uploads\/2021\/01\/Enabling-VT-X-From-BIOS-Settings-768x459.jpg 768w, https:\/\/techmaina.com\/wp-content\/uploads\/2021\/01\/Enabling-VT-X-From-BIOS-Settings-150x90.jpg 150w, https:\/\/techmaina.com\/wp-content\/uploads\/2021\/01\/Enabling-VT-X-From-BIOS-Settings-696x416.jpg 696w, https:\/\/techmaina.com\/wp-content\/uploads\/2021\/01\/Enabling-VT-X-From-BIOS-Settings-703x420.jpg 703w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>If you&#8217;ve gotten this far with no results, it&#8217;s likely that the reason you&#8217;re getting the VT-x is not an available (verr_vmx_no_vmx) error is that the technology is disabled in your BIOS settings.<\/p>\n<p>Keep in mind that some third-party apps may override these settings, so don&#8217;t reject this method before checking if this is true.<\/p>\n<p>The steps to <a href=\"https:\/\/www.hp.com\/us-en\/shop\/tech-takes\/how-to-enter-bios-setup-windows-pcs\" target=\"_blank\" rel=\"noopener\">access BIOS<\/a> settings and check if it is enabled differ depending on your motherboard manufacturer.<\/p>\n<p>But in general, you can find this setting under Security (System Security) under Virtualization Technology or VTx \/ VTd.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Fix_4_Running_commands_in_Command_prompt\"><\/span><strong>Fix 4: Running commands in Command prompt<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>1. Open the windows 10 search box and type\u00a0<strong>cmd<\/strong>\u00a0in the search box.<\/p>\n<p>2. Right-click on the command prompt and open the command prompt as an <strong>administrator<\/strong>.<\/p>\n<p>3. Now, copy and paste the command given below and hit the enter key.<\/p>\n<pre class=\"copy-the-code-target\">bcdedit \/set hypervisorlaunchtype off<\/pre>\n<p>4.\u00a0<a href=\"https:\/\/techmaina.com\/how-to-restart-windows-10\/\" target=\"_blank\" rel=\"noopener\">Restart\u00a0your computer<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Sometimes you may get \u201c VT-x is not available (VERR_VMX_NO_VMX) \u201d if you try to start an x64 bit virtual machine in VirtualBox. What Are the Causes Of This VT-X is Not Available Error? It disabled in the BIOS settings : If not enabled in BIOS settings, it will cause this error on your computer [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4168,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"tdm_status":"","tdm_grid_status":"","footnotes":""},"categories":[1],"tags":[1814,1809,1810],"class_list":{"0":"post-4111","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-tips-tricks","8":"tag-verr_vmx_no_vmx","9":"tag-vt-x-is-not-available","10":"tag-vt-x-is-not-available-verr_vmx_no_vmx"},"_links":{"self":[{"href":"https:\/\/techmaina.com\/wp-json\/wp\/v2\/posts\/4111","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/techmaina.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/techmaina.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/techmaina.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/techmaina.com\/wp-json\/wp\/v2\/comments?post=4111"}],"version-history":[{"count":4,"href":"https:\/\/techmaina.com\/wp-json\/wp\/v2\/posts\/4111\/revisions"}],"predecessor-version":[{"id":20006,"href":"https:\/\/techmaina.com\/wp-json\/wp\/v2\/posts\/4111\/revisions\/20006"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/techmaina.com\/wp-json\/wp\/v2\/media\/4168"}],"wp:attachment":[{"href":"https:\/\/techmaina.com\/wp-json\/wp\/v2\/media?parent=4111"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/techmaina.com\/wp-json\/wp\/v2\/categories?post=4111"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/techmaina.com\/wp-json\/wp\/v2\/tags?post=4111"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}