{"id":11584,"date":"2019-07-31T02:19:28","date_gmt":"2019-07-31T02:19:28","guid":{"rendered":"https:\/\/www.isumsoft.com\/it\/?p=11584"},"modified":"2019-11-26T07:45:58","modified_gmt":"2019-11-26T07:45:58","slug":"fix-unable-to-activate-windows-defender-firewall-issue","status":"publish","type":"post","link":"https:\/\/www.isumsoft.com\/it\/fix-unable-to-activate-windows-defender-firewall-issue\/","title":{"rendered":"Unable to Activate Windows Defender Firewall on Windows 10 &#8211; How to Fix"},"content":{"rendered":"\n<p>One of the most important built-in features of Windows 10 is the Windows Defender Firewall, which is designed to help prevent hackers or malicious software from gaining access to your PC through the Internet or a network. If you don&#8217;t keep it running, that means your computer could potentially be in danger every time you connect to the Internet or other networks. Therefore, it is recommended to have it turned on constantly.<\/p>\n\n\n\n<p>But it has recently been reported that many Windows 10 users are having trouble activating the Windows firewall. That is they are <a href=\"https:\/\/www.isumsoft.com\/it\/fix-unable-to-activate-windows-defender-firewall-issue\/\">unable to activate Windows Defender Firewall<\/a>. If you don&#8217;t get your Windows Defender Firewall activated right away on your system, this will prevent it from keeping your operating system protected online. Fortunately, there are 5 simple but effective ways to help you fix Unable to Activate Windows Defender Firewall issue as soon as possible on your Windows 10 system.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><a href=\"#way1\">Way 1: Perform a Registry Tweak<\/a><\/li><li><a href=\"#way2\">Way 2: Change the Value data of Windows Defender<\/a><\/li><li> <a href=\"#way3\">Way 3: Restart Windows Defender Firewall Service<\/a><\/li><li><a href=\"#way4\">Way 4: Reset Windows Defender Firewall Settings<\/a><\/li><li><a href=\"#way5\">Way 5: Forcibly Enable Windows Firewall using Command Prompt<\/a><\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"way1\">Way 1: Perform a Registry Tweak<\/h2>\n\n\n\n<p>Step 1: <a href=\"https:\/\/www.isumsoft.com\/it\/access-registry-editor-in-windows-10\/\">Access Registry Editor<\/a> in Windows 10.<\/p>\n\n\n\n<p>Step 2: In the Registry Editor, browse to the path listed here:<\/p>\n\n\n\n<p><em><strong>HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Services\\BFE<\/strong><\/em><\/p>\n\n\n\n<p>After navigating to the <strong>BFE<\/strong> option, right-click on <strong>BFE<\/strong> and choose <strong>Permissions&#8230;<\/strong> option from the context menu.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"544\" height=\"383\" src=\"https:\/\/www.isumsoft.com\/it\/wp-content\/uploads\/2019\/07\/choose-permissions-option.png\" alt=\"choose Permissions option\" class=\"wp-image-11595\" srcset=\"https:\/\/www.isumsoft.com\/it\/wp-content\/uploads\/2019\/07\/choose-permissions-option.png 544w, https:\/\/www.isumsoft.com\/it\/wp-content\/uploads\/2019\/07\/choose-permissions-option-300x211.png 300w\" sizes=\"auto, (max-width: 544px) 100vw, 544px\" \/><\/figure>\n\n\n\n<p>Step 3: This will open <strong>Permissions for BFE<\/strong> dialog, click <strong>Add<\/strong> button.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"363\" height=\"450\" src=\"https:\/\/www.isumsoft.com\/it\/wp-content\/uploads\/2019\/07\/click-add-button.png\" alt=\"click Add button\" class=\"wp-image-11596\" srcset=\"https:\/\/www.isumsoft.com\/it\/wp-content\/uploads\/2019\/07\/click-add-button.png 363w, https:\/\/www.isumsoft.com\/it\/wp-content\/uploads\/2019\/07\/click-add-button-242x300.png 242w\" sizes=\"auto, (max-width: 363px) 100vw, 363px\" \/><\/figure>\n\n\n\n<p>Step 4: In the Select Users or Groups, type <strong>Everyone<\/strong> and click <strong>OK<\/strong> button.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"457\" height=\"251\" src=\"https:\/\/www.isumsoft.com\/it\/wp-content\/uploads\/2019\/07\/type-everyone.png\" alt=\"type Everyone\" class=\"wp-image-11607\" srcset=\"https:\/\/www.isumsoft.com\/it\/wp-content\/uploads\/2019\/07\/type-everyone.png 457w, https:\/\/www.isumsoft.com\/it\/wp-content\/uploads\/2019\/07\/type-everyone-300x165.png 300w\" sizes=\"auto, (max-width: 457px) 100vw, 457px\" \/><\/figure>\n\n\n\n<p>Step 5: Select <strong>Everyone<\/strong> under Group or user names and check the <strong>Full Control<\/strong> option under Permissions for Everyone. Then click <strong>Apply<\/strong> followed by <strong>OK<\/strong>.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"363\" height=\"450\" src=\"https:\/\/www.isumsoft.com\/it\/wp-content\/uploads\/2019\/07\/check-full-control-option.png\" alt=\"check Full Control option\" class=\"wp-image-11594\" srcset=\"https:\/\/www.isumsoft.com\/it\/wp-content\/uploads\/2019\/07\/check-full-control-option.png 363w, https:\/\/www.isumsoft.com\/it\/wp-content\/uploads\/2019\/07\/check-full-control-option-242x300.png 242w\" sizes=\"auto, (max-width: 363px) 100vw, 363px\" \/><\/figure>\n\n\n\n<p>Restart the PC to save the changes.<\/p>\n\n\n\n<p>It is noticed that this method is suitable for most users, because this method is from Microsoft&#8217;s official BBS, so you can look forward to repairing the Unable to Activate Windows Defender Firewall error.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"way2\">Way 2: Change the Value data of Windows Defender<\/h2>\n\n\n\n<p>Step 1: Go to Registry Editor window and locate to the following registry key:<\/p>\n\n\n\n<p><em><strong>HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Services\\WinDefend<\/strong><\/em><\/p>\n\n\n\n<p>Step 2: Select <strong>WinDefend<\/strong> and double-click <strong>Start DWORD<\/strong>.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"544\" height=\"383\" src=\"https:\/\/www.isumsoft.com\/it\/wp-content\/uploads\/2019\/07\/double-click-start-dword.png\" alt=\"double-click Start DWORD\" class=\"wp-image-11601\" srcset=\"https:\/\/www.isumsoft.com\/it\/wp-content\/uploads\/2019\/07\/double-click-start-dword.png 544w, https:\/\/www.isumsoft.com\/it\/wp-content\/uploads\/2019\/07\/double-click-start-dword-300x211.png 300w\" sizes=\"auto, (max-width: 544px) 100vw, 544px\" \/><\/figure>\n\n\n\n<p>Step 3: Set the value as <strong>2<\/strong> in the Value data field and click <strong>OK<\/strong> button.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"331\" height=\"199\" src=\"https:\/\/www.isumsoft.com\/it\/wp-content\/uploads\/2019\/07\/set-the-value-data.png\" alt=\"set the Value data\" class=\"wp-image-11605\" srcset=\"https:\/\/www.isumsoft.com\/it\/wp-content\/uploads\/2019\/07\/set-the-value-data.png 331w, https:\/\/www.isumsoft.com\/it\/wp-content\/uploads\/2019\/07\/set-the-value-data-300x180.png 300w\" sizes=\"auto, (max-width: 331px) 100vw, 331px\" \/><\/figure>\n\n\n\n<p>Close the registry editor and restart the PC. You should be able to fix the problem of not being able to activate Windows Defender Firewall.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"way3\">Way 3: Restart Windows Defender Firewall Service<\/h2>\n\n\n\n<p>Step 1: <a href=\"https:\/\/www.isumsoft.com\/computer\/3-ways-to-start-a-service-in-windows.html#way1\">Open Services snap-in window<\/a> in Windows 10.<\/p>\n\n\n\n<p>Step 2: Look for and double-click <strong>Windows Defender Firewall<\/strong> in the service.msc window.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"545\" height=\"284\" src=\"https:\/\/www.isumsoft.com\/it\/wp-content\/uploads\/2019\/07\/look-for-windows-defender-firewall.png\" alt=\"look for Windows Defender Firewall\" class=\"wp-image-11602\" srcset=\"https:\/\/www.isumsoft.com\/it\/wp-content\/uploads\/2019\/07\/look-for-windows-defender-firewall.png 545w, https:\/\/www.isumsoft.com\/it\/wp-content\/uploads\/2019\/07\/look-for-windows-defender-firewall-300x156.png 300w\" sizes=\"auto, (max-width: 545px) 100vw, 545px\" \/><\/figure>\n\n\n\n<p>Step 3: Be sure that the Startup type is set to <strong>Automatic<\/strong>. And check whether the Unable to Activate Windows Defender Firewall issue fixes or not.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"406\" height=\"468\" src=\"https:\/\/www.isumsoft.com\/it\/wp-content\/uploads\/2019\/07\/set-startup-type-as-automatic.png\" alt=\"set Startup type as automatic\" class=\"wp-image-11604\" srcset=\"https:\/\/www.isumsoft.com\/it\/wp-content\/uploads\/2019\/07\/set-startup-type-as-automatic.png 406w, https:\/\/www.isumsoft.com\/it\/wp-content\/uploads\/2019\/07\/set-startup-type-as-automatic-260x300.png 260w\" sizes=\"auto, (max-width: 406px) 100vw, 406px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"way4\">Way 4: Reset Windows Defender Firewall Settings<\/h2>\n\n\n\n<p>Step 1: <a href=\"https:\/\/www.isumsoft.com\/it\/more-ways-to-access-control-panel-in-windows-10\/\">Launch Control Panel<\/a> in Windows 10.<\/p>\n\n\n\n<p>Step 2: In the Control Panel window, select <strong>System and Security<\/strong> option.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"544\" height=\"369\" src=\"https:\/\/www.isumsoft.com\/it\/wp-content\/uploads\/2019\/07\/select-system-and-security.png\" alt=\"select System and Security\" class=\"wp-image-11603\" srcset=\"https:\/\/www.isumsoft.com\/it\/wp-content\/uploads\/2019\/07\/select-system-and-security.png 544w, https:\/\/www.isumsoft.com\/it\/wp-content\/uploads\/2019\/07\/select-system-and-security-300x203.png 300w\" sizes=\"auto, (max-width: 544px) 100vw, 544px\" \/><\/figure>\n\n\n\n<p>Step 3: Click on <strong>Windows Defender Firewall<\/strong> link.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"544\" height=\"369\" src=\"https:\/\/www.isumsoft.com\/it\/wp-content\/uploads\/2019\/07\/click-windows-defender-firewall.png\" alt=\"click Windows Defender Firewall\" class=\"wp-image-11599\" srcset=\"https:\/\/www.isumsoft.com\/it\/wp-content\/uploads\/2019\/07\/click-windows-defender-firewall.png 544w, https:\/\/www.isumsoft.com\/it\/wp-content\/uploads\/2019\/07\/click-windows-defender-firewall-300x203.png 300w\" sizes=\"auto, (max-width: 544px) 100vw, 544px\" \/><\/figure>\n\n\n\n<p>Step 4: Click the <strong>Restore defaults<\/strong> link from the left side of the window.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"544\" height=\"352\" src=\"https:\/\/www.isumsoft.com\/it\/wp-content\/uploads\/2019\/07\/click-restore-defaults-link.png\" alt=\"click Restore defaults link\" class=\"wp-image-11598\" srcset=\"https:\/\/www.isumsoft.com\/it\/wp-content\/uploads\/2019\/07\/click-restore-defaults-link.png 544w, https:\/\/www.isumsoft.com\/it\/wp-content\/uploads\/2019\/07\/click-restore-defaults-link-300x194.png 300w\" sizes=\"auto, (max-width: 544px) 100vw, 544px\" \/><\/figure>\n\n\n\n<p>Step 5: Click the <strong>Restore defaults<\/strong> button again.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"544\" height=\"268\" src=\"https:\/\/www.isumsoft.com\/it\/wp-content\/uploads\/2019\/07\/click-restore-defaults-again.png\" alt=\"click restore defaults again\" class=\"wp-image-11597\" srcset=\"https:\/\/www.isumsoft.com\/it\/wp-content\/uploads\/2019\/07\/click-restore-defaults-again.png 544w, https:\/\/www.isumsoft.com\/it\/wp-content\/uploads\/2019\/07\/click-restore-defaults-again-300x148.png 300w\" sizes=\"auto, (max-width: 544px) 100vw, 544px\" \/><\/figure>\n\n\n\n<p>Step 6: Click <strong>Yes<\/strong> to confirm the changes. And see if you are able to fix Unable to Activate Windows Defender Firewall issue.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"395\" height=\"198\" src=\"https:\/\/www.isumsoft.com\/it\/wp-content\/uploads\/2019\/07\/click-yes-to-confirm.png\" alt=\"click Yes to confirm\" class=\"wp-image-11600\" srcset=\"https:\/\/www.isumsoft.com\/it\/wp-content\/uploads\/2019\/07\/click-yes-to-confirm.png 395w, https:\/\/www.isumsoft.com\/it\/wp-content\/uploads\/2019\/07\/click-yes-to-confirm-300x150.png 300w\" sizes=\"auto, (max-width: 395px) 100vw, 395px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"way5\">Way 5: Forcibly Enable Windows Firewall using Command Prompt<\/h2>\n\n\n\n<p>Step 1: <a href=\"https:\/\/www.isumsoft.com\/it\/how-to-open-command-prompt-as-administrator-in-windows-10\/\">Open Command Prompt as Administrator<\/a> in Windows 10.<\/p>\n\n\n\n<p>Step 2: In the administrative command prompt, type the following commands and press <strong>Enter<\/strong>.<\/p>\n\n\n\n<p><em><strong>netsh firewall set opmode mode=ENABLE exceptions=enable<\/strong><\/em><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"544\" height=\"127\" src=\"https:\/\/www.isumsoft.com\/it\/wp-content\/uploads\/2019\/07\/type-commands-and-press-enter.png\" alt=\"type commands and press Enter\" class=\"wp-image-11606\" srcset=\"https:\/\/www.isumsoft.com\/it\/wp-content\/uploads\/2019\/07\/type-commands-and-press-enter.png 544w, https:\/\/www.isumsoft.com\/it\/wp-content\/uploads\/2019\/07\/type-commands-and-press-enter-300x70.png 300w\" sizes=\"auto, (max-width: 544px) 100vw, 544px\" \/><\/figure>\n\n\n\n<p>Step 3: Close the command prompt and restart the PC to save the changes. The problem should be fixed.<\/p>\n\n\n\n<p><strong>See this video for details: 5 Ways to Fix Unable to Activate Windows Defender Firewall on Windows 10 Issue<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-video\"><video controls src=\"https:\/\/www.isumsoft.com\/video\/it\/fix-unable-to-activate-windows-defender-firewall-issue.mp4\"><\/video><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>One of the most important built-in features of Windows 10 is the Windows Defender Firewall, which is designed to help prevent hackers or malicious software from gaining access to your PC through the Internet or a network. If&#8230; <\/p>\n","protected":false},"author":2,"featured_media":11617,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[38],"tags":[],"class_list":["post-11584","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-windows-10"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Unable to Activate Windows Defender Firewall on Windows 10 - How to Fix<\/title>\n<meta name=\"description\" content=\"If you are unable to activate your Windows Defender Firewall right away on your system, fortunately, there are some effective ways to fix in this post.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.isumsoft.com\/it\/fix-unable-to-activate-windows-defender-firewall-issue\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Unable to Activate Windows Defender Firewall on Windows 10 - How to Fix\" \/>\n<meta property=\"og:description\" content=\"If you are unable to activate your Windows Defender Firewall right away on your system, fortunately, there are some effective ways to fix in this post.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.isumsoft.com\/it\/fix-unable-to-activate-windows-defender-firewall-issue\/\" \/>\n<meta property=\"og:site_name\" content=\"iSumsoft\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/isumsofthome\/\" \/>\n<meta property=\"article:published_time\" content=\"2019-07-31T02:19:28+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2019-11-26T07:45:58+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.isumsoft.com\/it\/wp-content\/uploads\/2019\/07\/fix-unable-to-activate-windows-defender-firewall-issue.png\" \/>\n\t<meta property=\"og:image:width\" content=\"680\" \/>\n\t<meta property=\"og:image:height\" content=\"420\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Darren\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@iSumsoft\" \/>\n<meta name=\"twitter:site\" content=\"@iSumsoft\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Darren\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.isumsoft.com\\\/it\\\/fix-unable-to-activate-windows-defender-firewall-issue\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.isumsoft.com\\\/it\\\/fix-unable-to-activate-windows-defender-firewall-issue\\\/\"},\"author\":{\"name\":\"Darren\",\"@id\":\"https:\\\/\\\/www.isumsoft.com\\\/it\\\/#\\\/schema\\\/person\\\/53553bf339aeb82b9c6a240f3b262798\"},\"headline\":\"Unable to Activate Windows Defender Firewall on Windows 10 &#8211; 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