{"id":21311,"date":"2025-09-30T09:43:28","date_gmt":"2025-09-30T09:43:28","guid":{"rendered":"https:\/\/outbyte.com\/blog\/?p=21311"},"modified":"2025-09-30T09:43:29","modified_gmt":"2025-09-30T09:43:29","slug":"comment-corriger-lerreur-21-err_network_changed","status":"publish","type":"post","link":"https:\/\/outbyte.com\/blog\/fr\/comment-corriger-lerreur-21-err_network_changed\/","title":{"rendered":"Comment Corriger l&#8217;Erreur: 21 \u2013 ERR_NETWORK_CHANGED"},"content":{"rendered":"\n<p>Comment frustrant l&#8217;on ressent lorsque, pendant la navigation, les ERR_NETWORK_CHANGED erreur se produit. Il se produit lorsque, en raison de quelque chose, votre connexion \u00e0 internet est perturb\u00e9e ou modifi\u00e9e, et par la suite, votre navigateur ne peut pas se connecter \u00e0 un site web. <\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/outbyte.com\/blog\/wp-content\/uploads\/21-\u2013-ERR_NETWORK_CHANGED-1024x683.png\" alt=\"21 \u2013 ERR_NETWORK_CHANGED\" class=\"wp-image-21299\" style=\"width:471px;height:auto\" srcset=\"https:\/\/outbyte.com\/blog\/wp-content\/uploads\/21-\u2013-ERR_NETWORK_CHANGED-1024x683.png 1024w, https:\/\/outbyte.com\/blog\/wp-content\/uploads\/21-\u2013-ERR_NETWORK_CHANGED-300x200.png 300w, https:\/\/outbyte.com\/blog\/wp-content\/uploads\/21-\u2013-ERR_NETWORK_CHANGED-768x512.png 768w, https:\/\/outbyte.com\/blog\/wp-content\/uploads\/21-\u2013-ERR_NETWORK_CHANGED-1200x800.png 1200w, https:\/\/outbyte.com\/blog\/wp-content\/uploads\/21-\u2013-ERR_NETWORK_CHANGED.png 1536w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Si vous rencontrez ce probl\u00e8me, voicice que vous devez savoir pour le r\u00e9soudre.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Causes_de_lErreur_21_%E2%80%93_ERR_NETWORK_CHANGED\"><\/span>Causes de l&#8217;Erreur: 21 \u2013 ERR_NETWORK_CHANGED<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Cette erreur se produit g\u00e9n\u00e9ralement lorsque quelque chose va mal avec votre connexion \u00e0 Internet. Les Causes varient, mais voici les plus fr\u00e9quentes:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Instable Param\u00e8tres de R\u00e9seau:<\/strong> \u00e0 de Nombreuses reprises, de brusques changements dans les param\u00e8tres de votre r\u00e9seau peut \u00e9galement provoquer cette erreur.<\/li>\n\n\n\n<li><strong>Obsol\u00e8te ou endommag\u00e9 pilotes de r\u00e9seau:<\/strong> Cela peut \u00eatre caus\u00e9 par un dysfonctionnement des pilotes.<\/li>\n\n\n\n<li><strong>Des Probl\u00e8mes de DNS:<\/strong> Une corruption de cache DNS concerne la connexion entre votre navigateur et le site web.<\/li>\n\n\n\n<li><strong>Un logiciel tiers de conflits:<\/strong> Il comprend les Vpn, Antivirus et autres outils de r\u00e9seautage qui peuvent interf\u00e9rer avec vos param\u00e8tres internet.<\/li>\n\n\n\n<li><strong>Virus\/Malware:<\/strong> logiciel malveillant peut \u00e9galement modifier les param\u00e8tres de votre r\u00e9seau et donc la cause d&#8217;un obstacle.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_Redemarrez_Votre_Modem\"><\/span>1. Red\u00e9marrez Votre Modem<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Un simple red\u00e9marrage de votre modem pour effacer temporairement les probl\u00e8mes de connectivit\u00e9. \u00c9teignez votre modem et attendez quelques minutes. <\/p>\n\n\n\n<p>Rallumez-la. Laissez le modem de d\u00e9marrage, puis v\u00e9rifiez si l&#8217;erreur persiste. Cela permettra d&#8217;assurer une nouvelle connexion \u00e0 votre FAI.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_Reinitialiser_TCPIP\"><\/span>2. R\u00e9initialiser TCP\/IP<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Si le red\u00e9marrage de votre modem ne fonctionne pas, essayez de r\u00e9initialiser votre pile TCP\/IP. Cela permettra de r\u00e9soudre un grand nombre de probl\u00e8mes avec votre r\u00e9seau. Pour ce faire:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Ouvrez l&#8217;Invite de Commande en tant qu&#8217;administrateur.<\/strong> Puis, un par un, copiez les commandes suivantes, en appuyant sur Entr\u00e9e apr\u00e8s chacune d&#8217;elles: <br> &#8211; <code class=\"inline\">netsh int ip reset<\/code><br> &#8211; <code class=\"inline\">netsh winsock reset<\/code><\/li>\n\n\n\n<li><strong>Red\u00e9marrez votre ordinateur <\/strong>et voir si le probl\u00e8me dispara\u00eet.<\/li>\n<\/ul>\n\n\n\n<p><strong>Comment Utiliser l&#8217;Invite de Commande<\/strong><\/p>\n\n\n\n<p>L&#8217;Invite de Commande fonctionne en entrant simplement bon de commandes Windows en elle. Vous utilisez efficacement lorsque vous disposez d&#8217;un acc\u00e8s administrateur \u00e0 l&#8217;ordinateur.<\/p>\n\n\n\n<p>Des privil\u00e8ges d&#8217;administrateur sont requis pour effectuer certaines t\u00e2ches, telles que la r\u00e9initialisation des <strong>protocoles TCP\/IP<\/strong>. Assurez-vous que vous avez avant de poursuivre.<\/p>\n\n\n\n<p>Voici comment faire pour r\u00e9initialiser le protocole TCP\/IP \u00e0 l&#8217;aide de l&#8217;Invite de Commande:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Recherche pour <strong>l&#8217;Invite de Commande<\/strong> dans Windows barre de recherche.<\/li>\n\n\n\n<li>Cliquez-droit dessus et s\u00e9lectionnez <strong>Ex\u00e9cuter en tant qu&#8217;administrateur<\/strong>. <br>Entrez les commandes suivantes une par une, en appuyant sur <strong>Entr\u00e9e<\/strong> apr\u00e8s chacune d&#8217;elles:<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code class=\"inline\">netsh winsock reset<\/code>\u00a0<\/li>\n\n\n\n<li><code class=\"inline\">netsh int ip reset\u00a0<\/code>\u00a0<\/li>\n\n\n\n<li><code class=\"inline\">ipconfig \/release<\/code>\u00a0\u00a0<\/li>\n\n\n\n<li><code class=\"inline\">ipconfig \/renew<\/code>\u00a0\u00a0<\/li>\n\n\n\n<li><code class=\"inline\">ipconfig \/flushdns<\/code>\u00a0\u00a0<\/li>\n<\/ul>\n\n\n\n<p>Ces commandes r\u00e9initialiser vos param\u00e8tres TCP\/IP, ce qui peut aider \u00e0 r\u00e9soudre les questions relatives aux r\u00e9seaux.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Flush_DNS\"><\/span>3. Flush DNS<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Une corruption de cache DNS peut causer des probl\u00e8mes de navigation. La compensation qu&#8217;il pourrait aider \u00e0 r\u00e9soudre le ERR_NETWORK_CHANGED erreur. Icis comment nettoyer votre DNS:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Appuyez sur <kbd>Windows<\/kbd> + <kbd>R<\/kbd> pour ouvrir la <strong>bo\u00eete de dialogue Ex\u00e9cuter<\/strong>.<\/li>\n\n\n\n<li>Tapez <code class=\"inline\">cmd<\/code> et appuyez sur <kbd>Entr\u00e9e<\/kbd>. <br>Dans l&#8217;Invite de Commande qui s&#8217;ouvre, tapez la commande suivante, suivie par <kbd>Entr\u00e9e<\/kbd>: <code class=\"inline\">ipconfig \/flushdns<\/code><\/li>\n\n\n\n<li>Red\u00e9marrez votre navigateur et de voir si le probl\u00e8me dispara\u00eet.<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_Mise_A_Jour_Des_Pilotes_De_Votre_Reseau\"><\/span>4. Mise \u00c0 Jour Des Pilotes De Votre R\u00e9seau<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Obsol\u00e8te ou endommag\u00e9 pilotes de r\u00e9seau peut \u00eatre une raison pour le probl\u00e8me de connectivit\u00e9. Mettre \u00e0 jour:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ouvrez <strong>le Gestionnaire de P\u00e9riph\u00e9riques<\/strong> en cliquant droit sur le <kbd>D\u00e9marrer <\/kbd>bouton.<\/li>\n\n\n\n<li>Cliquez pour <strong>Agrandir les Cartes R\u00e9seau<\/strong>.<\/li>\n\n\n\n<li>Cliquez-droit sur votre carte r\u00e9seau, puis cliquez sur <strong>mettre \u00e0 Jour le pilote<\/strong>.<\/li>\n\n\n\n<li>S\u00e9lectionnez <strong>Rechercher automatiquement un pilote mis \u00e0 jour<\/strong>.<\/li>\n<\/ul>\n\n\n\n<p>Si la recherche automatique nefonctionne pas, pensez \u00e0 utiliser <a href=\"https:\/\/outbyte.com\/software\/driver-updater?m=blog_article_du_pplink&amp;utm_source=outbyte&amp;utm_medium=blog&amp;utm_campaign=article_du_pplink&amp;utm_term=%7Bbtn_text%7D&amp;utm_content=%7Bpage_path%7D\">Driver Updater<\/a> pour mettre \u00e0 jour automatiquement tous les pilotes de p\u00e9riph\u00e9riques de mani\u00e8re efficace.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"5_Scan_de_Virus_sur_Votre_Ordinateur\"><\/span>5. Scan de Virus sur Votre Ordinateur<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Logiciel malveillant peut modifier les param\u00e8tres de votre r\u00e9seau et apporter un ERR_NETWORK_CHANGED erreur. <\/p>\n\n\n\n<p>Ex\u00e9cutez une analyse compl\u00e8te du syst\u00e8me pour les logiciels malveillants en utilisant un bon logiciel antivirus. <a href=\"https:\/\/outbyte.com\/software\/avarmor\/?m=blog_article_av_pplink&amp;utm_source=outbyte&amp;utm_medium=blog&amp;utm_campaign=article_av_pplink&amp;utm_term=%7Bbtn_text%7D&amp;utm_content=%7Bpage_path%7D\">Outbyte AVarmor<\/a> est fortement recommand\u00e9 pour une protection compl\u00e8te des logiciels malveillants.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"6_Desinstaller_un_Logiciel_Client_VPN\"><\/span>6. D\u00e9sinstaller un Logiciel Client VPN<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Parfois, les Vpn g\u00e2cher la configuration de votre r\u00e9seau et d&#8217;aboutir \u00e0 de telles erreurs. Essayez de d\u00e9sinstaller votre logiciel client VPN pour le moment et voir si l&#8217;erreur dispara\u00eet. Si donc, dans les deux envisagez de r\u00e9installer le VPN ou un qui est compatible avec votre syst\u00e8me.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"FAQs\"><\/span>FAQs<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary><strong>Quel est le sens de ERR_NETWORK_CHANGED?<\/strong><\/summary>\n<p>Le code montre que les changements dans les param\u00e8tres r\u00e9seau ont eu lieu ou si votre navigateur ne suis troubl\u00e9; il ne peut pas acc\u00e9der \u00e0 internet.<\/p>\n<\/details>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary><strong>Peut un probl\u00e8me de pilote provoquer ce type d&#8217;erreur?<\/strong><\/summary>\n<p>Oui, ce genre d&#8217;erreur provient principalement parce que les pilotes R\u00e9seau sont trop vieux ou endommag\u00e9.<\/p>\n<\/details>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary><strong>Comment dois-je nettoyer mon DNS?<\/strong><\/summary>\n<p>Vous ouvrez l&#8217;Invite de Commande et saisissez ipconfig \/flushdns; cela va effacer votre cache DNS.<\/p>\n<\/details>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary><strong>Est-il possible que cette erreur a quelque chose \u00e0 faire avec des logiciels malveillants?<\/strong><\/summary>\n<p>Oui, les logiciels malveillants peuvent reconfigurer les param\u00e8tres de votre r\u00e9seau, ainsi vous d\u00e9connecter de l&#8217;internet.<\/p>\n<\/details>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary><strong>Dois-je d\u00e9sinstaller mon VPN pour corriger cette erreur?<\/strong><\/summary>\n<p>D\u00e9sactiver votre VPN temporairement pour \u00eatre s\u00fbr si c&#8217;est probl\u00e9matique. Vous pouvez la r\u00e9installer si n\u00e9cessaire ou d&#8217;en installer un qui est compatible.<\/p>\n<\/details>\n","protected":false},"excerpt":{"rendered":"<p>Comment frustrant l&#8217;on ressent lorsque, pendant la navigation, les ERR_NETWORK_CHANGED erreur se produit. Il se produit lorsque, en raison de quelque chose, votre connexion \u00e0 internet est perturb\u00e9e ou modifi\u00e9e, et par la suite, votre navigateur ne peut pas se connecter \u00e0 un site web. Si vous rencontrez ce probl\u00e8me, voicice que vous devez savoir&#8230; <a href=\"https:\/\/outbyte.com\/blog\/fr\/comment-corriger-lerreur-21-err_network_changed\/\" target=\"_blank\">Read more.<\/a><\/p>\n","protected":false},"author":27,"featured_media":26253,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[329,349],"tags":[651,763],"class_list":["post-21311","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-corrections","category-guides-fr","tag-code-derreur","tag-erreur-de-windows"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Comment Corriger l&#039;Erreur: 21 \u2013 ERR_NETWORK_CHANGED - Outbyte Official Blog<\/title>\n<meta name=\"description\" content=\"ERR_NETWORK_CHANGED erreur se produit lorsque votre connexion internet est perturb\u00e9e ou chang\u00e9, et votre navigateur ne peut pas se connecter \u00e0 un site web.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/outbyte.com\/blog\/fr\/comment-corriger-lerreur-21-err_network_changed\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Comment Corriger l&#039;Erreur: 21 \u2013 ERR_NETWORK_CHANGED - Outbyte Official Blog\" \/>\n<meta property=\"og:description\" content=\"ERR_NETWORK_CHANGED erreur se produit lorsque votre connexion internet est perturb\u00e9e ou chang\u00e9, et votre navigateur ne peut pas se connecter \u00e0 un site web.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/outbyte.com\/blog\/fr\/comment-corriger-lerreur-21-err_network_changed\/\" \/>\n<meta property=\"og:site_name\" content=\"Outbyte Official Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/outbyte\" \/>\n<meta property=\"article:published_time\" content=\"2025-09-30T09:43:28+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-09-30T09:43:29+00:00\" \/>\n<meta name=\"author\" content=\"Yuri Thomopso\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Yuri Thomopso\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/outbyte.com\/blog\/fr\/comment-corriger-lerreur-21-err_network_changed\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/outbyte.com\/blog\/fr\/comment-corriger-lerreur-21-err_network_changed\/\"},\"author\":{\"name\":\"Yuri Thomopso\",\"@id\":\"https:\/\/outbyte.com\/blog\/#\/schema\/person\/833be4f7daf9d66004eec136cbc91f14\"},\"headline\":\"Comment Corriger l&#8217;Erreur: 21 \u2013 ERR_NETWORK_CHANGED\",\"datePublished\":\"2025-09-30T09:43:28+00:00\",\"dateModified\":\"2025-09-30T09:43:29+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/outbyte.com\/blog\/fr\/comment-corriger-lerreur-21-err_network_changed\/\"},\"wordCount\":901,\"publisher\":{\"@id\":\"https:\/\/outbyte.com\/blog\/#organization\"},\"image\":{\"@id\":\"https:\/\/outbyte.com\/blog\/fr\/comment-corriger-lerreur-21-err_network_changed\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/outbyte.com\/blog\/wp-content\/uploads\/21-\u2013-ERR_NETWORK_CHANGED-1024x683-4.png\",\"keywords\":[\"Code d'erreur\",\"erreur de Windows\"],\"articleSection\":[\"Corrections\",\"Guides\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/outbyte.com\/blog\/fr\/comment-corriger-lerreur-21-err_network_changed\/\",\"url\":\"https:\/\/outbyte.com\/blog\/fr\/comment-corriger-lerreur-21-err_network_changed\/\",\"name\":\"Comment Corriger l'Erreur: 21 \u2013 ERR_NETWORK_CHANGED - 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