{"id":3226,"date":"2024-03-31T14:45:30","date_gmt":"2024-03-31T14:45:30","guid":{"rendered":"https:\/\/windowsreport.com\/pt\/?p=3226"},"modified":"2025-09-27T18:20:37","modified_gmt":"2025-09-27T15:20:37","slug":"host-de-servico-sysmain-consumindo-cpu-no-windows-10-como-diminuir","status":"publish","type":"post","link":"https:\/\/windowsreport.com\/pt\/host-de-servico-sysmain-consumindo-cpu-no-windows-10-como-diminuir\/","title":{"rendered":"Host de servi\u00e7o: SysMain consumindo CPU no Windows 10 &#8211; como diminuir"},"content":{"rendered":"<p>V\u00e1rios usu\u00e1rios relataram Service Host SysMain causando problemas de alto uso de disco no Windows 10, o que pode ser um problema, pois afetar\u00e1 negativamente o desempenho.<\/p><p> Neste artigo, exploraremos algumas etapas de solu\u00e7\u00e3o de problemas para ajud\u00e1-lo a resolver os problemas que voc\u00ea pode ter com este servi\u00e7o, ent\u00e3o vamos come\u00e7ar.<\/p><h2 class=\"wp-block-heading\"> Como fa\u00e7o para corrigir o alto uso de disco do Service Host Sysmain no Windows 10?<\/h2><p> Se voc\u00ea quiser evitar os rigores dessas solu\u00e7\u00f5es, considere atualizar de HHD para um SSD confi\u00e1vel. Uma atualiza\u00e7\u00e3o de hardware atenua muitos problemas de desempenho.<\/p><h3 class=\"wp-block-heading\"> 1. Pare o servi\u00e7o SysMain<\/h3><h4 class=\"wp-block-heading\"> 1.1 Usando o aplicativo Servi\u00e7os<\/h4><ol class=\"wp-block-list\"><li> Pressione a tecla <kbd>Windows<\/kbd> + <kbd>R.<\/kbd><\/li><li> Digite <strong>services.msc<\/strong> e pressione <kbd>Enter<\/kbd> .<br> <a href=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2021\/10\/services-run.jpg\"><img decoding=\"async\" width=\"900\" height=\"500\" class=\"aligncenter size-full wp-image-824878\" src=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2021\/10\/services-run.jpg\" alt=\"\"><\/a><\/li><li> Na janela <em>Servi\u00e7os<\/em> , localize <strong>SysMain<\/strong> e clique duas vezes nele.<br> <a href=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/01\/sysmain-services.png\"><img decoding=\"async\" width=\"900\" height=\"500\" class=\"aligncenter size-full wp-image-831459\" src=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/01\/sysmain-services.png\" alt=\"\"><\/a><\/li><li> Clique no bot\u00e3o <strong>Parar<\/strong> .<br> <a href=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/01\/stop-sysmain.png\"><img decoding=\"async\" width=\"900\" height=\"500\" class=\"aligncenter size-full wp-image-831626\" src=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/01\/stop-sysmain.png\" alt=\"\"><\/a><\/li><li> Clique em <strong>OK<\/strong> para salvar as altera\u00e7\u00f5es. <\/li><\/ol><h4 class=\"wp-block-heading\"> 1.2 Service Host SysMain desabilitado usando o prompt de comando<\/h4><ol class=\"wp-block-list\"><li> Pressione a tecla <kbd>Windows<\/kbd> + <kbd>S.<\/kbd><\/li><li> Digite <em>cmd<\/em> . Clique em <strong>Executar como administrador<\/strong> para abrir o <em>prompt de comando<\/em> .<br> <a href=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/01\/cmd-administrator.png\"><img decoding=\"async\" width=\"977\" height=\"659\" class=\"aligncenter size-full wp-image-831467\" src=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/01\/cmd-administrator.png\" alt=\"\"><\/a><\/li><li> Na janela do prompt de comando, digite o seguinte comando e pressione <kbd>Enter<\/kbd> :<br> <code><strong>sc stop &quot;SysMain&quot; &amp; sc config &quot;SysMain&quot; start=disabled<\/strong><\/code> <strong><br><a href=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/01\/sysmain-disable.png\"><img decoding=\"async\" width=\"900\" height=\"500\" class=\"aligncenter size-full wp-image-831468\" src=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/01\/sysmain-disable.png\" alt=\"\"><\/a><\/strong><\/li><li> Voc\u00ea dever\u00e1 ver <em>Alterar sucesso na configura\u00e7\u00e3o do servi\u00e7o<\/em> . \u00c9 assim que voc\u00ea pode desativar o Service Host SysMain. <\/li><\/ol><h3 class=\"wp-block-heading\"> 2. Execute verifica\u00e7\u00f5es SFC e DISM <\/h3><ol class=\"wp-block-list\" id=\"block-33481841-398e-4189-a921-be6d9b5ab293\"><li> Clique no bot\u00e3o <strong>Iniciar<\/strong> , digite <em>sfc<\/em> e clique em <strong>Executar como administrador<\/strong> nos resultados.<\/li><li> Digite o seguinte comando e pressione <kbd>Enter<\/kbd> para execut\u00e1-lo: <code><strong>sfc \/scannow<\/strong><\/code> <a href=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2023\/09\/sfc-scannow-w10.png\"><img decoding=\"async\" class=\"aligncenter wp-image-1262101\" src=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2023\/09\/sfc-scannow-w10.png\" alt=\"\" width=\"1103\" height=\"639\"><\/a><\/li><li> Aguarde a conclus\u00e3o da verifica\u00e7\u00e3o, digite o seguinte comando e pressione Enter para execut\u00e1-la: <code><strong>Dism \/Online \/Cleanup-Image \/RestoreHealth<\/strong><\/code> <a href=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2023\/09\/dism-command-w10.png\"><img decoding=\"async\" class=\"aligncenter wp-image-1262119\" src=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2023\/09\/dism-command-w10.png\" alt=\"\" width=\"1103\" height=\"639\"><\/a><\/li><li>Aguarde o DISM concluir a verifica\u00e7\u00e3o e reinicie o PC para ver se o problema foi corrigido.<\/li><\/ol><p> Para alguns de nossos leitores, esse problema foi causado por um ou mais arquivos de sistema corrompidos, e as ferramentas Verificador de arquivos do sistema e DISM corrigiram esse problema, portanto, voc\u00ea deve tentar. Voc\u00ea tamb\u00e9m pode tentar um software especializado para facilitar significativamente esse processo.<\/p><h3 class=\"wp-block-heading\"> 3. Edite o valor DWORD em seu Editor do Registro<\/h3><ol class=\"wp-block-list\"><li> Pressione <strong>a<\/strong> tecla <kbd>Windows<\/kbd> + <kbd>R.<\/kbd> Digite <strong>regedit<\/strong> e clique em <em>OK<\/em> .<br> <a href=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/01\/regedit.png\"><img decoding=\"async\" width=\"900\" height=\"500\" class=\"aligncenter size-full wp-image-830693\" src=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/01\/regedit.png\" alt=\"\"><\/a><\/li><li> No <strong>Editor<\/strong> <strong>do Registro<\/strong> , navegue at\u00e9 o seguinte local:<br> <code><strong>HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesSysMain<\/strong><\/code><br> <a href=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/01\/sysmain-registry.png\"><img decoding=\"async\" width=\"900\" height=\"500\" class=\"aligncenter size-full wp-image-831478\" src=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/01\/sysmain-registry.png\" alt=\"\"><\/a><\/li><li> Em seguida, no painel direito, clique duas vezes em Iniciar. <br><img decoding=\"async\" width=\"900\" height=\"500\" class=\"aligncenter size-full wp-image-831477\" src=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/01\/start-registry.png\" alt=\"\"><\/li><li> Insira 4 no campo Dados do valor. Em seguida, clique em <em>OK<\/em> para salvar as altera\u00e7\u00f5es.<br> <a href=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/01\/start-value-data.png\"><img decoding=\"async\" width=\"900\" height=\"500\" class=\"aligncenter size-full wp-image-831479\" src=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/01\/start-value-data.png\" alt=\"\"><\/a> <\/li><\/ol><section id=\"related-articles-block_697eef547442a39557d04449afe5c986\" class=\"related-articles\">\n\t<strong class=\"related-articles__title\">Read more about this topic<\/strong>\n\t<div class=\"related-articles__wrapper\">\n\t\t<ul>\n\t\t\t<li><a href=\"https:\/\/windowsreport.com\/pt\/nao-e-possivel-alterar-a-prioridade-no-gerenciador-de-tarefas-no-windows-10-11\/\" rel=\"noopener noreferrer\" target=\"_blank\">N\u00e3o \u00e9 poss\u00edvel\u00a0alterar a\u00a0prioridade\u00a0no Gerenciador de Tarefas no Windows 10\/11<\/a><\/li><li><a href=\"https:\/\/windowsreport.com\/pt\/vpn-desconectando-wifi-5-solucoes\/\" rel=\"noopener noreferrer\" target=\"_blank\">VPN desconectando WiFi: 5 solu\u00e7\u00f5es<\/a><\/li><li><a href=\"https:\/\/windowsreport.com\/pt\/baixe-e-instale-o-driver-monitor-generico-pnp\/\" rel=\"noopener noreferrer\" target=\"_blank\">Baixe e instale o driver Monitor Gen\u00e9rico PnP<\/a><\/li><li><a href=\"https:\/\/windowsreport.com\/pt\/meu-fone-bluetooth-nao-aparece-no-notebook-4-solucoes\/\" rel=\"noopener noreferrer\" target=\"_blank\">Meu fone Bluetooth n\u00e3o aparece no notebook &#8211; 4 solu\u00e7\u00f5es<\/a><\/li><li><a href=\"https:\/\/windowsreport.com\/pt\/0x803fa067-no-windows-11-como-consertar\/\" rel=\"noopener noreferrer\" target=\"_blank\">0x803fa067 no Windows 11: como consertar<\/a><\/li>\t\t<\/ul>\n\t<\/div>\n<\/section><h3 class=\"wp-block-heading\"> 4. Atualize o Windows<\/h3><ol class=\"wp-block-list\"><li> Pressione a tecla <kbd>Windows<\/kbd> + <kbd>I<\/kbd> para abrir o aplicativo <em>Configura\u00e7\u00f5es<\/em> .<\/li><li> V\u00e1 para <strong>Atualiza\u00e7\u00e3o e seguran\u00e7a.<br> <a href=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/01\/update-and-security-1.png\"><img decoding=\"async\" width=\"900\" height=\"500\" class=\"aligncenter size-full wp-image-830729\" src=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/01\/update-and-security-1.png\" alt=\"\"><\/a><\/strong><\/li><li> Verifique se h\u00e1 atualiza\u00e7\u00f5es pendentes do Windows e instale-as.<br> <a href=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/01\/check-for-updates-windows-10.png\"><img decoding=\"async\" width=\"900\" height=\"500\" class=\"aligncenter size-full wp-image-830733\" src=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/01\/check-for-updates-windows-10.png\" alt=\"\"><\/a><\/li><\/ol><p> A instala\u00e7\u00e3o de atualiza\u00e7\u00f5es do Windows pode corrigir o problema de alto uso do disco causado por uma falha no sistema operacional.<\/p><h3 class=\"wp-block-heading\"> O que \u00e9 Host de Servi\u00e7o Sysmain?<\/h3><p> Service Host SysMain (anteriormente conhecido como Superfetch) \u00e9 um pacote de processos do sistema. Voc\u00ea provavelmente est\u00e1 se perguntando como isso funciona.<\/p><p> Este pacote de processos supostamente otimiza a inicializa\u00e7\u00e3o de aplicativos e acelera sua inicializa\u00e7\u00e3o, mas \u00e0s vezes pode fazer exatamente o oposto, causando alto uso de disco e CPU.<\/p><h3 class=\"wp-block-heading\"> O que causa o alto uso de disco do SysMain?<\/h3><p> Voc\u00ea j\u00e1 se perguntou por que o Service Host Sysmain est\u00e1 causando alto uso do disco? A falta de atualiza\u00e7\u00f5es \u00e9 a causa mais comum desse problema, por isso \u00e9 aconselh\u00e1vel manter seu PC atualizado para evitar tais problemas.<\/p><p> Al\u00e9m disso, se este servi\u00e7o estiver causando problemas, voc\u00ea pode tentar desativ\u00e1-lo. Outros problemas do Sysmain incluem:<\/p><ul class=\"wp-block-list\"><li><strong>100% de uso do disco<\/strong> &#8211; Isso ocorre quando o sistema funciona com 100% da capacidade para lidar com as tarefas.<\/li><li> <strong>Alta atividade do disco<\/strong> &#8211; Alta atividade do disco significa que o disco do seu sistema est\u00e1 executando muitos aplicativos e atinge n\u00edveis elevados, mesmo que ainda n\u00e3o esteja 100%.<\/li><li> <strong>Alto uso da CPU<\/strong> &#8211; Isso \u00e9 causado pela sua Unidade Central de Processamento ou CPU trabalhando excessivamente para lidar com as tarefas em quest\u00e3o. <\/li><\/ul><h3 class=\"wp-block-heading\"> Qual \u00e9 a utilidade do host de servi\u00e7o SysMain?<\/h3><p> SysMain \u00e9 um servi\u00e7o leg\u00edtimo do Windows que otimiza o desempenho do computador, reduzindo o tempo de carregamento do aplicativo. Isso \u00e9 feito coletando continuamente dados sobre o padr\u00e3o de uso do aplicativo.<\/p><p> Assim que tiver uma quantidade suficiente e identificar um padr\u00e3o, por exemplo, um usu\u00e1rio abrindo o aplicativo Mail \u00e0s 10h, ele carregar\u00e1 automaticamente os arquivos necess\u00e1rios para que o aplicativo seja iniciado rapidamente quando um usu\u00e1rio fizer isso manualmente.<\/p><p> Se o SysMain estiver causando alto uso do disco no Windows 10, isso pode tornar o seu computador lento, afetando o desempenho de outros programas e tornando o PC lento.<\/p><p> Depois de corrigir o problema, verifique algumas dicas r\u00e1pidas para aumentar o desempenho no Windows 10.<\/p><p> Voc\u00ea encontrou uma solu\u00e7\u00e3o para esse problema sozinho? Sinta-se \u00e0 vontade para compartilhar sua resposta conosco na se\u00e7\u00e3o de coment\u00e1rios abaixo.<\/p>","protected":false},"excerpt":{"rendered":"<p>V\u00e1rios usu\u00e1rios relataram Service Host SysMain causando problemas de alto uso de disco no Windows 10, o que pode ser um problema, pois afetar\u00e1 negativamente o desempenho. Neste artigo, exploraremos algumas etapas de solu\u00e7\u00e3o de problemas para ajud\u00e1-lo a resolver os problemas que voc\u00ea pode ter com este servi\u00e7o, ent\u00e3o vamos come\u00e7ar. Como fa\u00e7o para [&hellip;]<\/p>\n","protected":false},"author":2284,"featured_media":3227,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_enabled_clarity":"","footnotes":""},"categories":[55],"tags":[242],"work":[],"class_list":["post-3226","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tutoriais","tag-cpu"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.4 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Host de servi\u00e7o: SysMain consumindo CPU no Windows 10 - como diminuir - WindowsReport<\/title>\n<meta name=\"description\" content=\"Para corrigir o SysMain que causa alto uso do disco no Windows 10 ou 11, voc\u00ea s\u00f3 precisa seguir as instru\u00e7\u00f5es deste breve guia.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/windowsreport.com\/pt\/host-de-servico-sysmain-consumindo-cpu-no-windows-10-como-diminuir\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Host de servi\u00e7o: SysMain consumindo CPU no Windows 10 - como diminuir\" \/>\n<meta property=\"og:description\" content=\"Para corrigir o SysMain que causa alto uso do disco no Windows 10 ou 11, voc\u00ea s\u00f3 precisa seguir as instru\u00e7\u00f5es deste breve guia.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/windowsreport.com\/pt\/host-de-servico-sysmain-consumindo-cpu-no-windows-10-como-diminuir\/\" \/>\n<meta property=\"og:site_name\" content=\"WindowsReport\" \/>\n<meta property=\"article:published_time\" content=\"2024-03-31T14:45:30+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-09-27T15:20:37+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/windowsreport.com\/pt\/wp-content\/uploads\/sites\/2\/2024\/03\/Service-Host-SysMain-high-disk-usage.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1920\" \/>\n\t<meta property=\"og:image:height\" content=\"1280\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Guilherme Rodolfo\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"Guilherme Rodolfo\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tempo estimado de leitura\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/windowsreport.com\\\/pt\\\/host-de-servico-sysmain-consumindo-cpu-no-windows-10-como-diminuir\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/windowsreport.com\\\/pt\\\/host-de-servico-sysmain-consumindo-cpu-no-windows-10-como-diminuir\\\/\"},\"author\":{\"name\":\"Guilherme Rodolfo\",\"@id\":\"https:\\\/\\\/windowsreport.com\\\/pt\\\/#\\\/schema\\\/person\\\/1238815d33479055e23a293a045b4310\"},\"headline\":\"Host de servi\u00e7o: SysMain consumindo CPU no Windows 10 &#8211; 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