\nAfter updating Windows 11 to KB5074109 January 13, 2026 users with Outlook POP account profiles report that Outlook is not exiting properly. This means that Outlook will not restart after you close it. <\/p>\n
Windows 11 \u3092 2026\u5e741\u670813\u65e5\u306e\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0 KB5074109 \u306b\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3057\u305f\u5f8c\u3001Outlook \u306e POP \u30a2\u30ab\u30a6\u30f3\u30c8\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u30e6\u30fc\u30b6\u30fc\u304b\u3089\u3001Outlook \u304c\u6b63\u3057\u304f\u7d42\u4e86\u3057\u306a\u3044\u3068\u3044\u3046\u5831\u544a\u304c\u5bc4\u305b\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u3001Outlook \u3092\u9589\u3058\u305f\u5f8c\u306b \u518d\u8d77\u52d5\u3067\u304d\u306a\u304f\u306a\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002<\/p>\n
In addition, some users report issues with Outlook hangs or freezes. <\/p>\n
\u3055\u3089\u306b\u3001\u4e00\u90e8\u306e\u30e6\u30fc\u30b6\u30fc\u306f Outlook \u304c\u30cf\u30f3\u30b0\u3057\u305f\u308a\u30d5\u30ea\u30fc\u30ba\u3057\u305f\u308a\u3059\u308b\u554f\u984c\u3082\u5831\u544a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
This is an emerging issue, and we don\u2019t have all the symptoms yet, but we will update the topic as we understand the issue better.<\/p>\n
\u3053\u306e\u554f\u984c\u306f\u73fe\u5728\u767a\u751f\u3057\u59cb\u3081\u305f\u3070\u304b\u308a\u3067\u3001\u307e\u3060\u3059\u3079\u3066\u306e\u75c7\u72b6\u304c\u628a\u63e1\u3067\u304d\u3066\u3044\u307e\u305b\u3093\u3002\u72b6\u6cc1\u304c\u660e\u3089\u304b\u306b\u306a\u308a\u6b21\u7b2c\u3001\u3053\u306e\u30c8\u30d4\u30c3\u30af\u3092\u66f4\u65b0\u3057\u3066\u3044\u304f\u4e88\u5b9a\u3067\u3059\u3002\n<\/p><\/blockquote>\n
Microsoft\u306eOutlook\u30c1\u30fc\u30e0\u3068Windows\u30c1\u30fc\u30e0\u304c\u3053\u306e\u554f\u984c\u3092\u8abf\u67fb\u3057\u3066\u304a\u308a\u3001\u8a73\u7d30\u304c\u5206\u304b\u308a\u6b21\u7b2c\u3001\u60c5\u5831\u3092\u66f4\u65b0\u3059\u308b\u4e88\u5b9a\u3068\u306e\u3053\u3068\u3002<\/p>\n
\u552f\u4e00\u306e\u89e3\u6c7a\u7b56\u306f\u300c\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u306e\u30a2\u30f3\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u300d<\/h2>\n
\u73fe\u6642\u70b9\u3067 Microsoft \u306f\u516c\u5f0f\u306e\u56de\u907f\u7b56\u3092\u63d0\u793a\u3057\u3066\u304a\u3089\u305a\u3001KB5074109\u3092\u30a2\u30f3\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u65b9\u6cd5\u304c\u552f\u4e00\u306e\u6709\u52b9\u306a\u5bfe\u51e6\u6cd5\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u5b9f\u969b\u306b\u3001\u8907\u6570\u306e\u30e6\u30fc\u30b6\u30fc\u3084IT\u4f01\u696d\u304c\u300c\u30a2\u30f3\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3067\u554f\u984c\u304c\u89e3\u6d88\u3057\u305f\u300d\u3068\u5831\u544a\u3057\u3066\u304a\u308a\u52b9\u679c\u306f\u78ba\u8a8d\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u30af\u30e9\u30b7\u30c3\u30af\u7248\u306eOutlook\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u30e6\u30fc\u30b6\u30fc\u306f\u3001\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u9069\u7528\u524d\u306b\u5341\u5206\u306a\u691c\u8a3c\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002<\/p>\n
[via Neowin<\/a>]<\/p>\n","protected":false},"excerpt":{"rendered":"2026\/01\/22(\u6728)\u66f4\u65b0: Microsoft\u306e\u516c\u5f0f\u30b5\u30dd\u30fc\u30c8\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8(\u56de\u907f\u7b56\u3042\u308a)\u304c\u516c\u958b\u3055\u308c\u3066\u3044\u307e\u3059\u3002 2026\u5e741\u6708\u306eWindows 11 25H2\/24H2\u5411\u3051\u306e\u6708\u4f8b\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0KB5074109\u3092\u9069\u7528\u3057 […]<\/p>\n","protected":false},"author":2,"featured_media":131911,"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-132568","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\/132568","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=132568"}],"version-history":[{"count":0,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts\/132568\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/media\/131911"}],"wp:attachment":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/media?parent=132568"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/categories?post=132568"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/tags?post=132568"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
![\"\"](\"https:\/\/softantenna.com\/blog\/wp-content\/uploads\/2025\/12\/outlook.jpg\")
<\/p>\n