{"id":105211,"date":"2026-04-24T11:27:14","date_gmt":"2026-04-24T11:27:14","guid":{"rendered":"https:\/\/www.auslogics.com\/pt\/articles\/\/"},"modified":"2026-04-24T11:27:14","modified_gmt":"2026-04-24T11:27:14","slug":"o-windows-nao-conseguiu-conectar-se-ao-servico-system-event-notification-service","status":"publish","type":"ptpost","link":"https:\/\/www.auslogics.com\/pt\/articles\/o-windows-nao-conseguiu-conectar-se-ao-servico-system-event-notification-service\/","title":{"rendered":"O Windows n\u00e3o conseguiu conectar-se ao servi\u00e7o System Event Notification Service\u2026"},"content":{"rendered":"<p data-start=\"162\" data-end=\"363\">O seu computador est\u00e1 iniciando muito lentamente? Voc\u00ea n\u00e3o consegue entrar na sua conta de usu\u00e1rio padr\u00e3o no Windows? E mesmo quando entra com uma conta de administrador, aparece esta mensagem de erro:<\/p>\n<p data-start=\"365\" data-end=\"498\"><strong data-start=\"365\" data-end=\"498\">\u201cFalha ao conectar-se a um servi\u00e7o do Windows. O Windows n\u00e3o conseguiu conectar-se ao servi\u00e7o System Event Notification Service.\u201d<\/strong><\/p>\n<p data-start=\"500\" data-end=\"599\">N\u00e3o se preocupe \u2014 provavelmente n\u00e3o \u00e9 um problema de hardware. N\u00e3o \u00e9 necess\u00e1rio comprar um novo PC.<\/p>\n<p data-start=\"601\" data-end=\"670\">O problema pode ser resolvido com uma ou mais das seguintes solu\u00e7\u00f5es:<\/p>\n<ul data-start=\"672\" data-end=\"914\">\n<li data-section-id=\"1fchg8n\" data-start=\"672\" data-end=\"741\">verificar as configura\u00e7\u00f5es do <strong data-start=\"704\" data-end=\"741\">System Event Notification Service<\/strong><\/li>\n<li data-section-id=\"1h4xllo\" data-start=\"742\" data-end=\"775\">redefinir o <strong data-start=\"756\" data-end=\"775\">Winsock Catalog<\/strong><\/li>\n<li data-section-id=\"1tpku7u\" data-start=\"776\" data-end=\"816\">atualizar os drivers da placa de v\u00eddeo<\/li>\n<li data-section-id=\"vyg2wv\" data-start=\"817\" data-end=\"866\">desinstalar a atualiza\u00e7\u00e3o <code>Windows KB2952664<\/code><\/li>\n<li data-section-id=\"18su7ce\" data-start=\"867\" data-end=\"914\">otimizar o Windows para melhorar o desempenho<\/li>\n<\/ul>\n<p data-start=\"916\" data-end=\"1062\">Essas solu\u00e7\u00f5es funcionam no Windows 7, 8 e 10. Veja como corrigir o erro <strong data-start=\"989\" data-end=\"1061\">\u201cWindows could not connect to the System Event Notification Service\u201d<\/strong>:<\/p>\n<h2 data-section-id=\"10a7mrb\" data-start=\"1069\" data-end=\"1139\">1. Verifique as configura\u00e7\u00f5es do System Event Notification Service<\/h2>\n<p data-start=\"1141\" data-end=\"1220\">A mensagem de erro pode ser causada por configura\u00e7\u00f5es incorretas desse servi\u00e7o.<\/p>\n<p data-start=\"1222\" data-end=\"1236\">Para corrigir:<\/p>\n<ol data-start=\"1238\" data-end=\"1722\">\n<li data-section-id=\"1l7e3ar\" data-start=\"1238\" data-end=\"1290\">Pressione as teclas <code>Windows<\/code> + <code>R<\/code> no teclado.<\/li>\n<li data-section-id=\"120wjnq\" data-start=\"1291\" data-end=\"1371\">Quando a janela Executar abrir, digite: <code>services.msc<\/code> e pressione <strong>Enter<\/strong>.<\/li>\n<li data-section-id=\"1io21pp\" data-start=\"1372\" data-end=\"1524\">Clique com o bot\u00e3o direito em <strong data-start=\"1405\" data-end=\"1442\">System Event Notification Service<\/strong>. Selecione <strong data-start=\"1454\" data-end=\"1467\">Reiniciar<\/strong> ou <strong data-start=\"1471\" data-end=\"1482\">Iniciar<\/strong> (caso Reiniciar n\u00e3o esteja dispon\u00edvel).<\/li>\n<li data-section-id=\"zwgbjq\" data-start=\"1525\" data-end=\"1607\">Clique novamente com o bot\u00e3o direito no servi\u00e7o e selecione <strong data-start=\"1588\" data-end=\"1604\">Propriedades<\/strong>.<\/li>\n<li data-section-id=\"1qqiruh\" data-start=\"1608\" data-end=\"1675\">Na janela, altere o tipo de inicializa\u00e7\u00e3o para <strong data-start=\"1658\" data-end=\"1672\">Autom\u00e1tico<\/strong>.<\/li>\n<li data-section-id=\"b42hzp\" data-start=\"1676\" data-end=\"1722\">Clique em <strong data-start=\"1689\" data-end=\"1700\">Aplicar<\/strong> e depois em <strong data-start=\"1713\" data-end=\"1719\">OK<\/strong>.<\/li>\n<\/ol>\n<p data-start=\"1724\" data-end=\"1786\">Reinicie o computador \u2014 a mensagem de erro dever\u00e1 desaparecer.<\/p>\n<h2 data-section-id=\"1ynqvo\" data-start=\"1793\" data-end=\"1826\">2. Redefina o Winsock Catalog<\/h2>\n<p data-start=\"1828\" data-end=\"1948\">Se a primeira solu\u00e7\u00e3o n\u00e3o funcionar, tente redefinir o Winsock Catalog, pois pode haver interfer\u00eancia nas configura\u00e7\u00f5es.<\/p>\n<p data-start=\"1950\" data-end=\"1960\">Veja como:<\/p>\n<ol data-start=\"1962\" data-end=\"2187\">\n<li data-section-id=\"rezjy0\" data-start=\"1962\" data-end=\"1993\">Pressione <code>Windows<\/code> + <code>R<\/code>.<\/li>\n<li data-section-id=\"15y3l4f\" data-start=\"1994\" data-end=\"2014\">Digite <code>cmd<\/code>.<\/li>\n<li data-section-id=\"1ue4e1r\" data-start=\"2015\" data-end=\"2105\">Pressione <code>Shift<\/code> + <code>Ctrl<\/code> + <code>Enter<\/code> para abrir o Prompt de Comando como administrador.<\/li>\n<li data-section-id=\"13i084r\" data-start=\"2106\" data-end=\"2161\">Digite: <code>netsh winsock reset<\/code> e pressione Enter.<\/li>\n<li data-section-id=\"199r5b5\" data-start=\"2162\" data-end=\"2187\">Reinicie o computador.<\/li>\n<\/ol>\n<p data-start=\"2189\" data-end=\"2237\">Na maioria dos casos, o erro n\u00e3o aparecer\u00e1 mais.<\/p>\n<h2 data-section-id=\"187wnen\" data-start=\"2244\" data-end=\"2288\">3. Atualize os drivers da placa de v\u00eddeo<\/h2>\n<p data-start=\"2290\" data-end=\"2391\">Se o erro continuar, o driver da placa de v\u00eddeo pode estar desatualizado, corrompido ou incompat\u00edvel.<\/p>\n<p data-start=\"2393\" data-end=\"2444\">Veja como atualizar com o Auslogics Driver Updater:<\/p>\n<ol data-start=\"2446\" data-end=\"2814\">\n<li data-section-id=\"1bzh3k5\" data-start=\"2446\" data-end=\"2522\">Baixe o programa na p\u00e1gina do <a href=\"https:\/\/www.auslogics.com\/en\/software\/driver-updater\/\"><strong data-start=\"2479\" data-end=\"2507\">Auslogics Driver Updater<\/strong><\/a> e instale-o.<\/li>\n<li data-section-id=\"19g4hvf\" data-start=\"2523\" data-end=\"2622\">Ao executar, ele far\u00e1 uma varredura no sistema em busca de drivers ausentes ou desatualizados.<\/li>\n<li data-section-id=\"1j1hxuh\" data-start=\"2623\" data-end=\"2814\">Voc\u00ea ver\u00e1 uma lista com os drivers que precisam de atualiza\u00e7\u00e3o. Clique em <strong data-start=\"2700\" data-end=\"2714\">Update All<\/strong> para atualizar todos de uma vez (isso abrir\u00e1 uma p\u00e1gina de pagamento para adquirir a vers\u00e3o Pro).<\/li>\n<\/ol>\n<p data-start=\"2816\" data-end=\"2871\">Ap\u00f3s reiniciar o computador, o erro dever\u00e1 desaparecer.<\/p>\n<h2 data-section-id=\"ci1flp\" data-start=\"2878\" data-end=\"2927\">4. Desinstale a atualiza\u00e7\u00e3o Windows KB2952664<\/h2>\n<p data-start=\"2929\" data-end=\"2972\">Se nada funcionar, tente esta \u00faltima op\u00e7\u00e3o.<\/p>\n<p data-start=\"2974\" data-end=\"3062\">A atualiza\u00e7\u00e3o <code>KB2952664<\/code> pode estar causando o erro, ent\u00e3o ser\u00e1 necess\u00e1rio remov\u00ea-la.<\/p>\n<p data-start=\"3064\" data-end=\"3071\">Passos:<\/p>\n<ol data-start=\"3073\" data-end=\"3371\">\n<li data-section-id=\"rezjy0\" data-start=\"3073\" data-end=\"3104\">Pressione <code>Windows<\/code> + <code>R<\/code>.<\/li>\n<li data-section-id=\"1ubkax1\" data-start=\"3105\" data-end=\"3147\">Digite <code>control<\/code> e pressione <strong>Enter<\/strong>.<\/li>\n<li data-section-id=\"9gvcp0\" data-start=\"3148\" data-end=\"3209\">Em <strong data-start=\"3154\" data-end=\"3167\">Programas<\/strong>, selecione <strong data-start=\"3179\" data-end=\"3206\">Desinstalar um programa<\/strong>.<\/li>\n<li data-section-id=\"1prqhn6\" data-start=\"3210\" data-end=\"3260\">Clique em <strong data-start=\"3223\" data-end=\"3257\">Exibir atualiza\u00e7\u00f5es instaladas<\/strong>.<\/li>\n<li data-section-id=\"pow4e2\" data-start=\"3261\" data-end=\"3345\">Localize <code>KB2952664<\/code>, clique com o bot\u00e3o direito e selecione <strong data-start=\"3327\" data-end=\"3342\">Desinstalar<\/strong>.<\/li>\n<li data-section-id=\"14ahgwy\" data-start=\"3346\" data-end=\"3371\">Reinicie o computador.<\/li>\n<\/ol>\n<p data-start=\"3373\" data-end=\"3421\">Ap\u00f3s a inicializa\u00e7\u00e3o, o erro dever\u00e1 desaparecer.<\/p>\n<h2 data-section-id=\"u58lc6\" data-start=\"3428\" data-end=\"3477\">5. Otimize o Windows 7 para melhor desempenho<\/h2>\n<p data-start=\"3479\" data-end=\"3653\">A inicializa\u00e7\u00e3o lenta pode estar relacionada ao desempenho do sistema. Voc\u00ea pode usar o solucionador de problemas de desempenho do Windows para corrigir isso automaticamente.<\/p>\n<p data-start=\"3655\" data-end=\"3668\">Ele verifica:<\/p>\n<ul data-start=\"3670\" data-end=\"3767\">\n<li data-section-id=\"1h5aihl\" data-start=\"3670\" data-end=\"3707\">quantos usu\u00e1rios est\u00e3o conectados<\/li>\n<li data-section-id=\"k9vk5j\" data-start=\"3708\" data-end=\"3767\">quantos programas est\u00e3o sendo executados ao mesmo tempo<\/li>\n<\/ul>\n<p data-start=\"3769\" data-end=\"3820\">Esses fatores podem deixar o computador mais lento.<\/p>\n<p data-start=\"3822\" data-end=\"3840\">Siga estes passos:<\/p>\n<ol data-start=\"3842\" data-end=\"4097\">\n<li data-section-id=\"1ntyky8\" data-start=\"3842\" data-end=\"3875\">Clique no bot\u00e3o <strong data-start=\"3861\" data-end=\"3872\">Iniciar<\/strong>.<\/li>\n<li data-section-id=\"1cd08gk\" data-start=\"3876\" data-end=\"3911\">Abra o <strong data-start=\"3886\" data-end=\"3908\">Painel de Controle<\/strong>.<\/li>\n<li data-section-id=\"sj3ykn\" data-start=\"3912\" data-end=\"3970\">Digite <strong data-start=\"3922\" data-end=\"3946\">solu\u00e7\u00e3o de problemas<\/strong> na barra de pesquisa.<\/li>\n<li data-section-id=\"18pp7s8\" data-start=\"3971\" data-end=\"4011\">Clique em <strong data-start=\"3984\" data-end=\"4008\">Solu\u00e7\u00e3o de Problemas<\/strong>.<\/li>\n<li data-section-id=\"pozmn6\" data-start=\"4012\" data-end=\"4097\">V\u00e1 em <strong data-start=\"4021\" data-end=\"4044\">Sistema e Seguran\u00e7a<\/strong> e clique em <strong data-start=\"4057\" data-end=\"4094\">Verificar problemas de desempenho<\/strong>.<\/li>\n<\/ol>\n<p data-start=\"4099\" data-end=\"4150\">Ap\u00f3s a an\u00e1lise, o desempenho deve voltar ao normal.<\/p>\n<p data-start=\"4157\" data-end=\"4174\">Voc\u00ea tamb\u00e9m pode:<\/p>\n<ul data-start=\"4176\" data-end=\"4372\">\n<li data-section-id=\"197xzm0\" data-start=\"4176\" data-end=\"4239\">reduzir a quantidade de programas que iniciam com o sistema<\/li>\n<li data-section-id=\"16yf40x\" data-start=\"4240\" data-end=\"4301\">desfragmentar o disco r\u00edgido (para melhorar a efici\u00eancia)<\/li>\n<li data-section-id=\"1yhw7js\" data-start=\"4302\" data-end=\"4332\">adicionar mais mem\u00f3ria RAM<\/li>\n<li data-section-id=\"88dog2\" data-start=\"4333\" data-end=\"4372\">reiniciar o computador regularmente<\/li>\n<\/ul>\n<p data-start=\"4379\" data-end=\"4474\" data-is-last-node=\"\" data-is-only-node=\"\"><strong data-start=\"4379\" data-end=\"4474\" data-is-last-node=\"\">Qual dessas solu\u00e7\u00f5es voc\u00ea j\u00e1 tentou? Qual funcionou para voc\u00ea? Compartilhe nos coment\u00e1rios!<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>O seu computador est\u00e1 iniciando muito lentamente? Voc\u00ea n\u00e3o consegue entrar na sua conta de usu\u00e1rio padr\u00e3o no Windows? E mesmo quando entra com uma conta de administrador, aparece esta mensagem de erro: \u201cFalha ao conectar-se a um servi\u00e7o do Windows. O Windows n\u00e3o conseguiu conectar-se ao servi\u00e7o System Event Notification Service.\u201d N\u00e3o se preocupe [&hellip;]<\/p>\n","protected":false},"author":101,"featured_media":105213,"comment_status":"open","ping_status":"closed","template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-105211","ptpost","type-ptpost","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>O Windows n\u00e3o conseguiu conectar-se ao servi\u00e7o System Event Notification Service\u2026 &#8212; Auslogics Blog | Tips to Diagnose &amp; Resolve Computer Issues<\/title>\n<meta name=\"description\" content=\"Aprenda como corrigir o erro \u201cWindows n\u00e3o conseguiu conectar ao System Event Notification Service\u201d. 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