{"id":2788,"date":"2020-02-28T08:00:53","date_gmt":"2020-02-28T08:00:53","guid":{"rendered":"https:\/\/www.katsbits.com\/codex\/?p=2788"},"modified":"2023-09-07T15:52:29","modified_gmt":"2023-09-07T14:52:29","slug":"blender-blocked","status":"publish","type":"post","link":"https:\/\/www.katsbits.com\/codex\/blender-blocked\/","title":{"rendered":"Windows 10 Blocks Blender"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 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-69f2327481f8d\" 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-69f2327481f8d\"  aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.katsbits.com\/codex\/blender-blocked\/#blender-blocked-why\" >Blender Blocked, Why?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.katsbits.com\/codex\/blender-blocked\/#add-an-exception\" >Add an Exception<\/a><\/li><\/ul><\/nav><\/div>\n<p>With the release of Blender 2.82 Windows 10 native system protection (Windows Firewall and other third-party services) may block the application when run for the first time after install (both *.zip and *.exe), instead displaying the following onscreen warning;<\/p>\n<blockquote style=\"background-color: #E7FAEA; color: #000; font-family:courier;\"><p>Windows protected your PC<br \/>\nWindows Defender SmartScreen prevented an unrecognised app from starting. Running this app might put your PC at risk.<br \/>\n<u>More info<\/u><\/p><\/blockquote>\n<h3><span class=\"ez-toc-section\" id=\"blender-blocked-why\"><\/span>Blender Blocked, Why?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>As the text suggests Windows 10 is blocking Blender 2.82 from starting because it does not recognise the initialised blender.exe as a valid or registered application.<\/p>\n<blockquote><p><b>Design note<\/b>: the error occurs because Blender 2.82 introduces a new self-signed certificate of authority to verify blender.exe, one that is attributed to the Blender Foundation and not the third parties responsible for previous &#8216;exe&#8217; verification (the software used to generate a compiled executable file).<\/p><\/blockquote>\n<p><a href=\"https:\/\/www.katsbits.com\/images\/tutorials\/blender-28\/blender-blocked-windows-10.jpg\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" style=\"width: 100%; height: auto;\" src=\"https:\/\/www.katsbits.com\/images\/tutorials\/blender-28\/blender-blocked-windows-10.jpg\" alt=\"Windows 10 block Blender 2.82\" width=\"900px\" height=\"500px\" border=\"0\" \/><\/a><br \/>\n<i>Windows 10 may block Blender 2.82 when its run for the first time, showing a warning &#8220;<b>Windows protected your PC<\/b>&#8220;<\/i><\/p>\n<p>To run Blender and have Windows add an exception to the systems local safe list; when the warning overlay appears click the <b>More info<\/b> link (see above). An additional bit of text appears alongside a second button, <b>Run Anyway<\/b>. Click this. Blender 2.82 should then run.<\/p>\n<blockquote><p><b>Design note<\/b>: Windows should allow Blender 2.82 to run any time the application is started once the exception is added. This behaviour may change for future versions.<\/p><\/blockquote>\n<p><a href=\"https:\/\/www.katsbits.com\/images\/tutorials\/blender-28\/blender-blocked-windows-10-run-anyway.jpg\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" style=\"width: 100%; height: auto;\" src=\"https:\/\/www.katsbits.com\/images\/tutorials\/blender-28\/blender-blocked-windows-10-run-anyway.jpg\" alt=\"Click the Run Anyway button\" width=\"900px\" height=\"500px\" border=\"0\" \/><\/a><br \/>\n<i>Windows obfuscates the ability to run errant programs behind the &#8220;<b>More info<\/b>&#8221; text link. Click this to reveal an additional button, <b>Run Anyway<\/b>, which also adds an exception with Windows Firewall once clicked.<\/i><\/p>\n<h3><span class=\"ez-toc-section\" id=\"add-an-exception\"><\/span>Add an Exception<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>If Blender remains blocked by Windows Security system it may be possible to specifically unblock the application doing the following; browse to the location of <b>blender.exe<\/b>, right-click the file and select <b>Properties<\/b>; in the <b>blender.exe Properties<\/b> dialogue that appears, in <b>General<\/b> and under <b>Attributes<\/b> a <b>Block<\/b> checkbox should be available, uncheck this and click <b>Apply<\/b>; close Properties and run Blender.<\/p>\n<blockquote><p><b>Design note<\/b>: if <b>User Account Control Settings<\/b> (type &#8220;User Account Control&#8221; in Windows searchbar) is set to low or off, this may bypass Windows Security inadvertently blocking legitimate files and applications.<\/p><\/blockquote>\n<p>It is also possible to completely disable <b>Windows Defender SmartScreen<\/b> so these issues do not happen (but at risk of lowering system security). To do this; type &#8220;<i>smartscreen<\/i>&#8221; in Windows searchbar, click on <b>App &#038; browser control<\/b> listing that appears. In the <b>Windows Security<\/b> window that opens set <b>Check apps and files<\/b> of <b>Off<\/b> disabling the service.<\/p>\n<blockquote><p><b>Design note<\/b>: <b>Windows Defender SmartScreen<\/b> is an integral part of Windows 10 security so disabling it runs risk of opening systems to abuse. Do not disable <b>Windows Defender SmartScreen<\/b> on shared devices or in situations where system usage and program installation is not actively monitored.<\/p><\/blockquote>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":2789,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[34,237,230],"tags":[229,679,682,681,678,677,680],"class_list":["post-2788","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blender","category-misc3d","category-tutorials","tag-error-messages","tag-exclusion","tag-smartscreen","tag-user-account-control","tag-windows","tag-windows-10","tag-windows-security"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/www.katsbits.com\/codex\/wp-json\/wp\/v2\/posts\/2788","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.katsbits.com\/codex\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.katsbits.com\/codex\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.katsbits.com\/codex\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.katsbits.com\/codex\/wp-json\/wp\/v2\/comments?post=2788"}],"version-history":[{"count":6,"href":"https:\/\/www.katsbits.com\/codex\/wp-json\/wp\/v2\/posts\/2788\/revisions"}],"predecessor-version":[{"id":5090,"href":"https:\/\/www.katsbits.com\/codex\/wp-json\/wp\/v2\/posts\/2788\/revisions\/5090"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.katsbits.com\/codex\/wp-json\/wp\/v2\/media\/2789"}],"wp:attachment":[{"href":"https:\/\/www.katsbits.com\/codex\/wp-json\/wp\/v2\/media?parent=2788"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.katsbits.com\/codex\/wp-json\/wp\/v2\/categories?post=2788"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.katsbits.com\/codex\/wp-json\/wp\/v2\/tags?post=2788"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}