{"id":10100,"date":"2026-01-15T11:09:15","date_gmt":"2026-01-15T10:09:15","guid":{"rendered":"https:\/\/test.antivirusedition.com\/?post_type=faq&p=10100"},"modified":"2026-01-15T11:09:15","modified_gmt":"2026-01-15T10:09:15","slug":"muss-ich-mein-altes-antivirenprogramm-deinstallieren","status":"publish","type":"faq","link":"https:\/\/www.antivirusedition.com\/de\/faq\/dois-je-desinstaller-mon-ancien-antivirus\/","title":{"rendered":"Muss ich mein altes Antivirenprogramm deinstallieren?"},"content":{"rendered":"

Ja, denn Avast kann nicht ordnungsgem\u00e4\u00df funktionieren, wenn auf demselben System ein anderes Antivirenprogramm installiert ist. Die Verwendung von zwei oder mehr Antivirenprogrammen kann zu Problemen f\u00fchren und das Betriebssystem instabil machen.<\/p>\n

Um ein Programm von Ihrem PC zu deinstallieren, gehen Sie zu Systemsteuerung<\/strong> > Programme<\/strong> > Ein Programm deinstallieren<\/strong> > W\u00e4hlen Sie das Programm aus, das Sie deinstallieren m\u00f6chten > Klicken Sie auf Deinstallieren<\/strong>. Befolgen Sie die Anweisungen, die auf dem Bildschirm erscheinen.<\/p>\n

Wenn die Software deinstalliert wird, Starten Sie Ihren PC neu<\/strong> Installieren Sie anschlie\u00dfend Avast.<\/p>","protected":false},"excerpt":{"rendered":"

Oui, car Avast ne peut pas fonctionner correctement avec un autre antivirus install\u00e9 sur le m\u00eame syst\u00e8me. L\u2019utilisation de deux ou plusieurs programmes antivirus peut causer des probl\u00e8mes et le syst\u00e8me d\u2019exploitation peut devenir instable. Pour d\u00e9sinstaller un logiciel de votre PC, allez dans Panneau de configuration > Programmes > D\u00e9sinstaller un programme > S\u00e9lectionnez […]<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-10100","faq","type-faq","status-publish","hentry"],"acf":[],"yoast_head":"\nDois-je d\u00e9sinstaller mon ancien antivirus ? - Avast Antivirus Professionnel<\/title>\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.antivirusedition.com\/de\/faq\/muss-ich-mein-altes-antivirenprogramm-deinstallieren\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Dois-je d\u00e9sinstaller mon ancien antivirus ? - Avast Antivirus Professionnel\" \/>\n<meta property=\"og:description\" content=\"Oui, car Avast ne peut pas fonctionner correctement avec un autre antivirus install\u00e9 sur le m\u00eame syst\u00e8me. L\u2019utilisation de deux ou plusieurs programmes antivirus peut causer des probl\u00e8mes et le syst\u00e8me d\u2019exploitation peut devenir instable. 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