{"id":132647,"date":"2026-01-27T11:22:30","date_gmt":"2026-01-27T02:22:30","guid":{"rendered":"https:\/\/softantenna.com\/blog\/?p=132647"},"modified":"2026-01-27T11:22:30","modified_gmt":"2026-01-27T02:22:30","slug":"windows-11-kb5074109-removes-legacy-modem-drives","status":"publish","type":"post","link":"https:\/\/softantenna.com\/blog\/windows-11-kb5074109-removes-legacy-modem-drives\/","title":{"rendered":"Windows 11 KB5074109\u3067\u30e2\u30c7\u30e0\u304c\u4f7f\u7528\u4e0d\u80fd\u306b\u2500\u539f\u56e0\u306f\u30d0\u30b0\u3067\u306f\u306a\u304f\u307e\u3055\u304b\u306e\u4ed5\u69d8\u5909\u66f4"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/softantenna.com\/blog\/wp-content\/uploads\/2026\/01\/pexels-dmitry-sidorov-2775764-7015293.jpg\" alt=\"\" width=\"1280\" height=\"853\" class=\"aligncenter size-full wp-image-132648\" \/><\/p>\n<p>2026\u5e741\u6708\u306eWindows 11\u5411\u3051\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0\u300c<a href=\"https:\/\/softantenna.com\/blog\/windows-11-kb5074109-issues\/\">KB5074109<\/a>\u300d\u3092\u9069\u7528\u3057\u305f\u4e00\u90e8\u306e\u30e6\u30fc\u30b6\u30fc\u304b\u3089\u3001<strong>\u30e2\u30c7\u30e0\u304c\u7a81\u7136\u4f7f\u3048\u306a\u304f\u306a\u3063\u305f<\/strong>\u3068\u3044\u3046\u5831\u544a\u304c\u76f8\u6b21\u3044\u3067\u3044\u307e\u3059\u3002<\/p>\n<p>KB5074109\u3067\u306f\u30c8\u30e9\u30d6\u30eb\u304c\u76f8\u6b21\u3044\u3067\u5831\u544a\u3055\u308c\u3066\u304a\u308a\u3001\u300c\u307e\u305fWindows Update\u306b\u3088\u308b\u4e0d\u5177\u5408\u304b\u2026\u300d\u3068\u601d\u3063\u3066\u3057\u307e\u3046\u3068\u3053\u308d\u3067\u3059\u304c\u3001\u4eca\u56de\u306f\u3001Microsoft\u304c\u610f\u56f3\u7684\u306b\u884c\u3063\u305f\u4ed5\u69d8\u5909\u66f4\u3067\u3042\u308b\u3053\u3068\u304c\u5224\u660e\u3057\u3066\u3044\u307e\u3059(<a href=\"https:\/\/www.windowscentral.com\/microsoft\/windows-11\/windows-11-update-kb5074109-breaks-modems-for-some-users-but-it-is-not-a-bug\">Windows Central<\/a>)\u3002<\/p>\n<h2>\u30e2\u30c7\u30e0\u304c\u7a81\u7136\u52d5\u4f5c\u3057\u306a\u304f\u306a\u308b<\/h2>\n<p>KB5074109\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u305f\u5f8c\u3001\u30e2\u30c7\u30e0\u304c\u8a8d\u8b58\u3055\u308c\u306a\u3044\u3001\u901a\u4fe1\u30bd\u30d5\u30c8\u304c\u52d5\u4f5c\u3057\u306a\u3044\u3068\u3044\u3063\u305f\u75c7\u72b6\u304c\u5831\u544a\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u4f8b\u3048\u3070<a href=\"https:\/\/learn.microsoft.com\/en-us\/answers\/questions\/5723452\/my-56k-fax-modem-quit-working-apparently-after-the\">Microsoft\u30d5\u30a9\u30fc\u30e9\u30e0<\/a>\u3067\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u306eImsai8080\u6c0f\u304c\u3001\u6b21\u306e\u3088\u3046\u306a\u6295\u7a3f\u3092\u884c\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<blockquote><p>\nmodem that stated it was 'Windows 11 compatible\" it also did not work. After removing the update, both the new modem and my old modem are working fine.<\/p>\n<p>\u300cWindows 11\u5bfe\u5fdc\u300d\u3068\u8a18\u8f09\u3055\u308c\u3066\u3044\u305f\u30e2\u30c7\u30e0\u3082\u52d5\u4f5c\u3057\u307e\u305b\u3093\u3067\u3057\u305f\u3002\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3092\u524a\u9664\u3057\u305f\u5f8c\u3001\u65b0\u3057\u3044\u30e2\u30c7\u30e0\u3082\u53e4\u3044\u30e2\u30c7\u30e0\u3082\u6b63\u5e38\u306b\u52d5\u4f5c\u3059\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002\n<\/p><\/blockquote>\n<p><a href=\"https:\/\/forums.tomshardware.com\/threads\/windows-11-update-stops-some-modems.3891822\/\">Tom\u2019s Hardware<\/a>\u3067\u3082ohs77\u6c0f\u304c\u6b21\u306e\u3088\u3046\u306b\u300d\u5831\u544a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<blockquote><p>\nUnfortunately, my 6-month-old modem requires agrsm64.sys as a driver. So it just quit working. But Microsoft has a solution: Remove modems that don't work.\"<\/p>\n<p>\u6b8b\u5ff5\u306a\u304c\u3089\u30016\u30f6\u6708\u524d\u306b\u8cfc\u5165\u3057\u305f\u30e2\u30c7\u30e0\u306f\u30c9\u30e9\u30a4\u30d0\u3068\u3057\u3066agrsm64.sys\u3092\u5fc5\u8981\u3068\u3057\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u52d5\u4f5c\u3057\u306a\u304f\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3057\u305f\u3002\u3057\u304b\u3057\u3001Microsoft\u306b\u306f\u89e3\u6c7a\u7b56\u304c\u3042\u308a\u307e\u3059\u3002\u52d5\u4f5c\u3057\u306a\u3044\u30e2\u30c7\u30e0\u3092\u524a\u9664\u3059\u308b\u306e\u3067\u3059\u3002\n<\/p><\/blockquote>\n<h2>\u53e4\u3044\u30e2\u30c7\u30e0\u30c9\u30e9\u30a4\u30d0\u30fc\u306e\u524a\u9664\u304c\u539f\u56e0<\/h2>\n<p>\u5b9f\u306f\u3001Microsoft\u306e<a href=\"https:\/\/support.microsoft.com\/en-us\/topic\/january-13-2026-kb5074109-os-builds-26200-7623-and-26100-7623-3ec427dd-6fc4-4c32-a471-83504dd081cb\">\u516c\u5f0f\u30ea\u30ea\u30fc\u30b9\u30ce\u30fc\u30c8<\/a>\u306b\u306f\u3001\u8907\u6570\u306e\u30ec\u30ac\u30b7\u30fc\u30e2\u30c7\u30e0\u30c9\u30e9\u30a4\u30d0\u30fc\u3092\u524a\u9664\u3057\u305f\u3068\u306e\u8a18\u8f09\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<blockquote><p>\n[Compatibility] This update removes the following modem drivers: agrsm64.sys (x64), agrsm.sys (x86), smserl64.sys (x64) and smserial.sys (x86). Modem hardware dependent on these specific drivers will no longer work in Windows.\n<\/p><\/blockquote>\n<p>\u524a\u9664\u3055\u308c\u305f\u4e3b\u306a\u30c9\u30e9\u30a4\u30d0\u30fc\u306f\u6b21\u306e\u901a\u308a\u3067\u3059:<\/p>\n<ul>\n<li>agrsm64.sys(x64)<\/li>\n<li>agrsm.sys(x86)<\/li>\n<li>smserl64.sys(x64)<\/li>\n<li>smserial.sys(x86)<\/li>\n<\/ul>\n<p>\u3053\u308c\u3089\u306e\u30c9\u30e9\u30a4\u30d0\u30fc\u306b\u4f9d\u5b58\u3057\u3066\u3044\u308b\u30e2\u30c7\u30e0\u306f\u3001Windows 11\u3067\u52d5\u4f5c\u3067\u304d\u306a\u304f\u306a\u308b\u3068\u3044\u3046\u308f\u3051\u3067\u3059\u3002<\/p>\n<p>Microsoft\u306b\u3088\u308b\u3068\u3001\u3053\u308c\u3089\u306e\u30c9\u30e9\u30a4\u30d0\u30fc\u306f\u53e4\u304f\u3001\u8106\u5f31\u6027\u3092\u62b1\u3048\u3066\u3044\u308b\u305f\u3081\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5411\u4e0a\u306e\u89b3\u70b9\u304b\u3089\u524a\u9664\u3057\u305f\u3068\u306e\u3053\u3068\u3002\u3064\u307e\u308a\u4eca\u56de\u5831\u544a\u3055\u308c\u305f\u554f\u984c\u306f\u3001\u300c\u4e0d\u5177\u5408\u300d\u3067\u306f\u306a\u304f\u300c\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3068\u3057\u3066\u306e\u4ed5\u69d8\u5909\u66f4\u300d\u304b\u3089\u767a\u751f\u3057\u3066\u3044\u308b\u3068\u3044\u3046\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u3057\u304b\u3057\u3001\u300c\u65b0\u54c1\u306eWindows 11\u5bfe\u5fdc\u30e2\u30c7\u30e0\u304c\u52d5\u304b\u306a\u3044\u3002\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3092\u524a\u9664\u3057\u305f\u3089\u76f4\u3063\u305f\u300d\u3068\u304b\u3001\u300c6\u304b\u6708\u524d\u306b\u8cb7\u3063\u305f\u30e2\u30c7\u30e0\u304cagrsm64.sys\u3092\u5fc5\u8981\u3068\u3057\u3066\u3044\u305f\u3002\u30e1\u30fc\u30ab\u30fc\u306f\u65b0\u30c9\u30e9\u30a4\u30d0\u30fc\u3092\u51fa\u3059\u4e88\u5b9a\u306a\u3057\u300d\u3068\u3044\u3063\u305f\u30e6\u30fc\u30b6\u30fc\u304b\u3089\u306e\u5831\u544a\u3082\u3042\u308a\u3001\u7279\u306b\u3001\u96fb\u8a71\u5fdc\u7b54\u30fb\u30ed\u30b0\u30b7\u30b9\u30c6\u30e0\u306a\u3069\u696d\u52d9\u7528\u9014\u3067\u30e2\u30c7\u30e0\u3092\u4f7f\u3063\u3066\u3044\u308b\u4f01\u696d\u3067\u306f\u6df7\u4e71\u304c\u5e83\u304c\u3063\u3066\u3044\u308b\u3088\u3046\u3067\u3059\u3002<\/p>\n<h2>\u4e00\u6642\u7684\u306a\u5bfe\u51e6\u6cd5\u306f\u30a2\u30f3\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u304b\u306a\u3044<\/h2>\n<p>\u3053\u306e\u554f\u984c\u306b\u5bfe\u3059\u308b\u56de\u907f\u7b56\u306fKB5074109\u3092\u30a2\u30f3\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3001Windows Update\u3092\u4e00\u6642\u505c\u6b62\u3059\u308b\u3068\u3044\u3046\u65b9\u6cd5\u3057\u304b\u307f\u3064\u304b\u3063\u3066\u3044\u307e\u305b\u3093\u3002\u305f\u3060\u3057\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u66f4\u65b0\u3092\u6b62\u3081\u308b\u306e\u306f\u63a8\u5968\u3055\u308c\u306a\u3044\u305f\u3081\u3001\u3042\u304f\u307e\u3067\u4e00\u6642\u7684\u306a\u56de\u907f\u7b56\u3067\u3059\u3002<\/p>\n<p>\u53e4\u3044\u30e2\u30c7\u30e0\u3092\u4f7f\u3044\u7d9a\u3051\u3066\u3044\u308b\u30e6\u30fc\u30b6\u30fc\u306b\u3068\u3063\u3066\u306f\u75db\u624b\u3067\u3059\u304c\u3001Microsoftt\u7684\u306b\u306f\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5f37\u5316\u306e\u305f\u3081\u306b\u907f\u3051\u3089\u308c\u306a\u3044\u5224\u65ad\u3060\u3063\u305f\u306e\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u3082\u3057\u307e\u3060\u30ec\u30ac\u30b7\u30fc\u30e2\u30c7\u30e0\u306b\u4f9d\u5b58\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u4ee3\u66ff\u624b\u6bb5\u306e\u691c\u8a0e\u3092\u59cb\u3081\u308b\u30bf\u30a4\u30df\u30f3\u30b0\u3068\u8a00\u3048\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>2026\u5e741\u6708\u306eWindows 11\u5411\u3051\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0\u300cKB5074109\u300d\u3092\u9069\u7528\u3057\u305f\u4e00\u90e8\u306e\u30e6\u30fc\u30b6\u30fc\u304b\u3089\u3001\u30e2\u30c7\u30e0\u304c\u7a81\u7136\u4f7f\u3048\u306a\u304f\u306a\u3063\u305f\u3068\u3044\u3046\u5831\u544a\u304c\u76f8\u6b21\u3044\u3067\u3044\u307e\u3059\u3002 KB5074109\u3067\u306f\u30c8\u30e9\u30d6\u30eb\u304c\u76f8\u6b21\u3044\u3067\u5831\u544a\u3055 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":132648,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"","footnotes":""},"categories":[3],"tags":[3298,4387],"class_list":["post-132647","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-windows","tag-windows","tag-windows11"],"_links":{"self":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts\/132647","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/comments?post=132647"}],"version-history":[{"count":0,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts\/132647\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/media\/132648"}],"wp:attachment":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/media?parent=132647"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/categories?post=132647"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/tags?post=132647"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}