{"id":5338,"date":"2024-04-18T15:01:48","date_gmt":"2024-04-18T15:01:48","guid":{"rendered":"https:\/\/windowsreport.com\/pt\/?p=5338"},"modified":"2025-10-02T19:36:12","modified_gmt":"2025-10-02T16:36:12","slug":"correcao-windows-defender-esta-ausente-no-windows-11","status":"publish","type":"post","link":"https:\/\/windowsreport.com\/pt\/correcao-windows-defender-esta-ausente-no-windows-11\/","title":{"rendered":"Corre\u00e7\u00e3o: Windows Defender est\u00e1 ausente no Windows 11"},"content":{"rendered":"<p>O Windows Defender ausente no Windows 11 \u00e9 um dos in\u00fameros problemas que os usu\u00e1rios enfrentam ao usar o antiv\u00edrus padr\u00e3o da Microsoft em seus PCs.<\/p><p> No passado, os usu\u00e1rios reclamaram que o Windows 11 Defender estava desligado. Mas alguns nem conseguiram encontrar o aplicativo em seus PCs.<\/p><p> Felizmente, as solu\u00e7\u00f5es para esse problema n\u00e3o s\u00e3o rebuscadas, sendo necess\u00e1rios alguns pequenos ajustes na maioria dos casos. Continue lendo para descobrir o que fazer se o Windows Defender n\u00e3o estiver instalado em seu dispositivo Windows 11.<\/p><h2 class=\"wp-block-heading\"> Por que n\u00e3o consigo encontrar o Windows Defender?<\/h2><p> Existem v\u00e1rios motivos pelos quais o Windows Defender n\u00e3o \u00e9 encontrado no Windows 11, mas iremos destacar os mais importantes:<\/p><ul class=\"wp-block-list\"><li> <strong>Infec\u00e7\u00e3o por malware<\/strong> &#8211; Normalmente, a primeira coisa que um v\u00edrus ou malware faz \u00e9 desabilitar ou eliminar o antiv\u00edrus. Bons antiv\u00edrus de terceiros s\u00e3o mais dif\u00edceis de combater.<\/li><li> <strong>O servi\u00e7o n\u00e3o est\u00e1 em execu\u00e7\u00e3o<\/strong> &#8211; Embora o Windows Defender deva aparecer mesmo quando o servi\u00e7o n\u00e3o est\u00e1 em execu\u00e7\u00e3o, isso, juntamente com outros problemas, pode tornar o aplicativo inacess\u00edvel.<\/li><li> <strong>Problemas de registro<\/strong> &#8211; Altera\u00e7\u00f5es no registro, onde o Windows Defender est\u00e1 desabilitado, podem ser uma causa subjacente. O administrador pode tomar medidas caso voc\u00ea esteja usando um computador de escrit\u00f3rio.<\/li><\/ul><p> Ent\u00e3o, vamos descobrir como consertar as coisas se o Windows Defender n\u00e3o funcionar no Windows 11.<\/p><p> <strong>Dica r\u00e1pida:<\/strong><br> Se voc\u00ea deseja proteger seu PC em todas as frentes, use um utilit\u00e1rio de seguran\u00e7a com prote\u00e7\u00e3o em v\u00e1rias camadas. O conjunto de recursos do ESET HOME Security Essential visa proteg\u00ea-lo das amea\u00e7as cibern\u00e9ticas atuais.<\/p><p> Inclui prote\u00e7\u00e3o banc\u00e1ria e de pagamento avan\u00e7ada, seguran\u00e7a de webcam e microfone, controle dos pais, antimalware, antiransomware e muito mais. <\/p><section class=\"wp-block-reflectormedia-universalis-disposable-cta-block rmudcb\"><img decoding=\"async\" class=\"rmudcb__image\" src=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2024\/03\/ESET-HOME-Security-Essential-CTA-210x160.png\" alt=\"\" \/><div class=\"rmudcb__content\"><h3> ESET HOME Seguran\u00e7a Essencial<\/h3> <span>A tecnologia ESET protege cada clique, toque na tela e etapa da sua vida digital.<\/span><\/div><div class=\"rmudcb__button\"> <strong>Teste Gratuito<\/strong> <a href=\"https:\/\/out.reflectormedia.com\/c?o=20566341&amp;m=17686&amp;a=758367&amp;aff_sub1=https:\/\/windowsreport.com\/pt\/wp-json\/wp\/v2\/posts\/5338&amp;aff_sub2=Native_CTA\" class=\"btn btn--big btn--rounded btn--icon btn--basket\" target=\"_blank\" rel=\"noopener noreferrer\">Visite o Site<\/a> <\/div><\/section><h2 class=\"wp-block-heading\"> Como posso corrigir o problema de falta do Windows Defender no Windows 11? <\/h2><h3 class=\"wp-block-heading\"> 1. Instale o Windows Defender usando PowerShell <\/h3><p>O comando acima ajuda a reinstalar todos os aplicativos padr\u00e3o do Windows. Isso \u00e9 especialmente \u00fatil se o Windows Defender n\u00e3o estiver instalado no Windows 11 devido \u00e0 corrup\u00e7\u00e3o de arquivos durante uma atualiza\u00e7\u00e3o.<\/p><h3 class=\"wp-block-heading\"> 2. Repare e reinstale o Windows Defender<\/h3><ol class=\"wp-block-list\"><li> Pressione <kbd>Windows<\/kbd> + <kbd>S<\/kbd> para abrir o menu <em>Pesquisar<\/em> , digite <strong>Terminal<\/strong> no campo de texto, clique com o bot\u00e3o direito no resultado da pesquisa relevante e selecione <em>Executar como administrador<\/em> . <a href=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/04\/chrome_3cmPzQuJfD.png\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" class=\"wp-image-996912\" style=\"width: 750px\" src=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/04\/chrome_3cmPzQuJfD.png\" alt=\"terminal\"><\/a><\/li><li> Clique em <strong>Sim<\/strong> no prompt do <em>UAC<\/em> . <a href=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/04\/consent_IU32NqmQO4-1.png\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" class=\"wp-image-996916\" style=\"width: 400px\" src=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/04\/consent_IU32NqmQO4-1.png\" alt=\"Clique em Sim\"><\/a><\/li><li> Digite\/cole o seguinte comando e pressione <kbd>Enter<\/kbd> : <code><strong>Get-AppxPackage Microsoft.SecHealthUI-AllUsers | Reset-AppxPackage<\/strong><\/code> <a href=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/04\/repair-and-reinstall-windows-11-defender.png\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" class=\"wp-image-882212\" style=\"width: 900px\" src=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/04\/repair-and-reinstall-windows-11-defender.png\" alt=\"reparar e reinstalar o Windows 11 Defender\"><\/a><\/li><\/ol><p> \u00c0s vezes, o Windows Defender pode estar instalado, mas a instala\u00e7\u00e3o est\u00e1 incorreta ou incompleta. O comando acima remover\u00e1 todos os componentes do PC e reinstalar\u00e1 o Windows Defender no Windows 11. <\/p><h3 class=\"wp-block-heading\"> 3. Execute uma atualiza\u00e7\u00e3o do Windows<\/h3><ol class=\"wp-block-list\"><li> Pressione as <kbd>janelas<\/kbd><strong> <\/strong>e selecione o aplicativo <strong>Configura\u00e7\u00f5es<\/strong> . <a href=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/04\/settings-update-windows-11-defender.jpg\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" class=\"wp-image-882216\" style=\"width: 900px\" src=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/04\/settings-update-windows-11-defender.jpg\" alt=\"configura\u00e7\u00f5es do Windows 11 Defender n\u00e3o instalado\"><\/a><\/li><li> Selecione a op\u00e7\u00e3o <strong>Windows Update<\/strong> no painel esquerdo. <a href=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/04\/windows-update-defender-not-installed.png\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" class=\"wp-image-882220\" style=\"width: 900px\" src=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/04\/windows-update-defender-not-installed.png\" alt=\"defensor de atualiza\u00e7\u00e3o do Windows 11 n\u00e3o instalado\"><\/a><\/li><li> Clique no bot\u00e3o <strong>Verificar atualiza\u00e7\u00f5es<\/strong> no painel direito. <a href=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/04\/check-update-windows-11-defender.png\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" class=\"wp-image-882221\" style=\"width: 900px\" src=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/04\/check-update-windows-11-defender.png\" alt=\"verifique se h\u00e1 atualiza\u00e7\u00e3o do Windows 11 Defender\"><\/a><\/li><li> Se uma atualiza\u00e7\u00e3o for listada ap\u00f3s a verifica\u00e7\u00e3o, baixe-a e instale-a no computador.<\/li><\/ol><p> A atualiza\u00e7\u00e3o do Windows vem com corre\u00e7\u00f5es para bugs e outros erros das vers\u00f5es anteriores.<\/p><p> Se a Seguran\u00e7a do Windows estiver faltando no Windows 11, uma atualiza\u00e7\u00e3o dever\u00e1 conter corre\u00e7\u00f5es para os bugs respons\u00e1veis \u200b\u200bpelo erro. Al\u00e9m disso, se for devido a uma atualiza\u00e7\u00e3o incompleta ou incorreta, isso dever\u00e1 resolver o problema se feito corretamente.<\/p><h3 class=\"wp-block-heading\">4. Execute uma restaura\u00e7\u00e3o do sistema<\/h3><ol class=\"wp-block-list\"><li> Pressione <kbd>Windows<\/kbd> + <kbd>R<\/kbd> para iniciar o comando <em>Executar<\/em> , digite <strong>rstrui.exe<\/strong> no campo de texto e clique em <em>OK<\/em> . <a href=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/04\/explorer_HDIuJDo5IQ.png\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" class=\"wp-image-996934\" style=\"width: 350px\" src=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/04\/explorer_HDIuJDo5IQ.png\" alt=\"rstrui.exe para consertar o Windows Defender Windows 11 ausente\"><\/a><\/li><li> Selecione <strong>Pr\u00f3ximo<\/strong> na janela <em>Restaura\u00e7\u00f5es do sistema<\/em> para continuar. <img decoding=\"async\" class=\"wp-image-996937\" style=\"width: 500px\" src=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/04\/rstrui_AJEQnwNodL.png\" alt=\"pr\u00f3ximo\"><\/li><li> Escolha um ponto de restaura\u00e7\u00e3o entre as op\u00e7\u00f5es fornecidas e clique em Avan\u00e7ar. <img decoding=\"async\" class=\"wp-image-996939\" style=\"width: 500px\" src=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/04\/rstrui_3Rbfy5NZXv.png\" alt=\"selecione o ponto de restaura\u00e7\u00e3o\"><\/li><li> Verifique os detalhes da restaura\u00e7\u00e3o e clique em <strong>Concluir<\/strong> para iniciar o processo de restaura\u00e7\u00e3o. <a href=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/04\/rstrui_Ca89MmGbZE.png\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" class=\"wp-image-996941\" style=\"width: 500px\" src=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/04\/rstrui_Ca89MmGbZE.png\" alt=\"terminar\"><\/a><\/li><\/ol><p> Se voc\u00ea notou a falta do link do Windows Defender ap\u00f3s instalar uma atualiza\u00e7\u00e3o no Windows 11 ou fazer altera\u00e7\u00f5es no sistema, esta corre\u00e7\u00e3o pode ajud\u00e1-lo a retornar ao estado anterior.<\/p><p> Selecione um ponto de restaura\u00e7\u00e3o criado antes de instalar a nova atualiza\u00e7\u00e3o e tudo dever\u00e1 voltar ao normal.<\/p><h3 class=\"wp-block-heading\"> O Windows 11 tem antiv\u00edrus integrado?<\/h3><p> Sim, o Windows 11 vem com a Seguran\u00e7a do Windows como antiv\u00edrus integrado. Caso voc\u00ea esteja confuso entre os dois, o Windows Defender e a Seguran\u00e7a do Windows s\u00e3o a mesma coisa.<\/p><p> O programa identifica e elimina malware com efici\u00eancia e executa outras fun\u00e7\u00f5es essenciais para garantir a seguran\u00e7a. Mas, caso voc\u00ea esteja procurando seguran\u00e7a avan\u00e7ada, recomendamos o uso de um antiv\u00edrus eficaz de terceiros.<\/p><p> O problema do Windows 11 Defender n\u00e3o instalado n\u00e3o \u00e9 o primeiro enfrentado pelos usu\u00e1rios. Houve reclama\u00e7\u00f5es de que o Windows Defender n\u00e3o abre ou n\u00e3o est\u00e1 habilitado, entre outros problemas.<\/p><p> Ao contr\u00e1rio de alguns desses problemas, esse problema n\u00e3o \u00e9 dif\u00edcil de resolver, conforme mostrado acima. Esperamos que voc\u00ea encontre o guia \u00fatil e recupere o Windows Defender para proteger seu PC.<\/p><p> Al\u00e9m disso, se voc\u00ea estiver se perguntando, <a href=\"https:\/\/apps.microsoft.com\/store\/detail\/microsoft-defender\/9P6PMZTM93LR?hl=en-us&amp;gl=US\" target=\"_blank\" rel=\"noreferrer noopener\">o Windows Defender pode ser baixado<\/a> da Microsoft Store. Isso far\u00e1 o download da vers\u00e3o do Windows Defender de 64 bits no Windows 11.<\/p><p> Al\u00e9m disso, descubra o que fazer se receber o erro de link no Windows 11<\/p><p> Sinta-se \u00e0 vontade para discutir a solu\u00e7\u00e3o que funcionou para voc\u00ea na se\u00e7\u00e3o de coment\u00e1rios. Voc\u00ea tamb\u00e9m pode indicar qualquer solu\u00e7\u00e3o que voc\u00ea tentou com sucesso e que n\u00e3o esteja neste guia.<\/p>","protected":false},"excerpt":{"rendered":"<p>O Windows Defender ausente no Windows 11 \u00e9 um dos in\u00fameros problemas que os usu\u00e1rios enfrentam ao usar o antiv\u00edrus padr\u00e3o da Microsoft em seus PCs. No passado, os usu\u00e1rios reclamaram que o Windows 11 Defender estava desligado. Mas alguns nem conseguiram encontrar o aplicativo em seus PCs. Felizmente, as solu\u00e7\u00f5es para esse problema n\u00e3o [&hellip;]<\/p>\n","protected":false},"author":2284,"featured_media":5339,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_enabled_clarity":"","footnotes":""},"categories":[55],"tags":[289],"work":[],"class_list":["post-5338","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tutoriais","tag-windows-defender"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.5 (Yoast SEO v28.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Corre\u00e7\u00e3o: Windows Defender est\u00e1 ausente no Windows 11<\/title>\n<meta name=\"description\" content=\"O Windows 11 Defender n\u00e3o est\u00e1 instalado ou ausente ap\u00f3s a atualiza\u00e7\u00e3o mais recente? 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