{"id":2734,"date":"2024-06-25T15:50:07","date_gmt":"2024-06-25T15:50:07","guid":{"rendered":"https:\/\/howtogeek.blog\/ja\/?p=2734"},"modified":"2024-06-25T15:50:07","modified_gmt":"2024-06-25T15:50:07","slug":"how-to-fix-windows-security-not-working-in-windows-11-5-methods-ja","status":"publish","type":"post","link":"https:\/\/howtogeek.blog\/ja\/how-to-fix-windows-security-not-working-in-windows-11-5-methods-ja\/","title":{"rendered":"Windows 11 \u3067 Windows \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u304c\u6a5f\u80fd\u3057\u306a\u3044\u554f\u984c\u3092\u4fee\u6b63\u3059\u308b\u65b9\u6cd5 (5 \u3064\u306e\u65b9\u6cd5)"},"content":{"rendered":"<p>Windows \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306f\u512a\u308c\u305f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u3059\u304c\u3001\u30b9\u30ad\u30e3\u30f3\u306e\u5b9f\u884c\u3092\u59a8\u3052\u308b\u30d0\u30b0\u304c\u307e\u3060\u3044\u304f\u3064\u304b\u6b8b\u3063\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u6700\u8fd1\u3001Windows 11 \u306b\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3057\u305f\u5f8c\u3001Windows Defender \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u958b\u304b\u306a\u3044\u3068\u3044\u3046\u5831\u544a\u304c\u6570\u4ef6\u3042\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>\u3057\u305f\u304c\u3063\u3066\u3001Windows 11 \u3092\u4f7f\u7528\u3057\u3066\u3044\u3066\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30a2\u30d7\u30ea\u304c\u52d5\u4f5c\u3057\u306a\u3044\u5834\u5408\u306f\u3001\u3067\u304d\u308b\u3060\u3051\u65e9\u304f\u554f\u984c\u3092\u898b\u3064\u3051\u3066\u4fee\u6b63\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u554f\u984c\u3092\u89e3\u6c7a\u3059\u308b\u305f\u3081\u306b\u5b9f\u884c\u3067\u304d\u308b\u6700\u5584\u306e\u7b56\u3092\u3044\u304f\u3064\u304b\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<h2><span id=\"1_Restart_your_Windows_11\"><strong>1. Windows 11\u3092\u518d\u8d77\u52d5\u3057\u307e\u3059<\/strong><\/span><\/h2>\n<figure class=\"wp-block-image\"><img alt=\"Windows 11\u3092\u518d\u8d77\u52d5\u3057\u307e\u3059\" class=\"wp-image\" decoding=\"async\" height=\"534\" loading=\"lazy\" src=\"https:\/\/cdn.howtogeek.blog\/wp-content\/uploads\/2024\/06\/Restart-Windows-11.webp\" title=\"Windows 11\u3092\u518d\u8d77\u52d5\u3057\u307e\u3059\" width=\"640\"\/><\/figure>\n<p>\u307e\u305a\u3001Windows \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u304c\u958b\u304b\u306a\u3044\u3001\u307e\u305f\u306f\u30b9\u30ad\u30e3\u30f3\u3092\u5b9f\u884c\u3067\u304d\u306a\u3044\u306a\u3069\u306e\u554f\u984c\u304c\u767a\u751f\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u3092\u518d\u8d77\u52d5\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u30b7\u30b9\u30c6\u30e0\u306e\u518d\u8d77\u52d5\u306f\u898b\u843d\u3068\u3055\u308c\u304c\u3061\u3067\u3059\u304c\u3001\u307b\u3068\u3093\u3069\u306e\u554f\u984c\u3092\u89e3\u6c7a\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u3057\u305f\u304c\u3063\u3066\u3001Windows 11 \u3067 Windows \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u4f7f\u7528\u4e2d\u306b\u554f\u984c\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306f\u3001\u307e\u305a PC \u3092\u518d\u8d77\u52d5\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u96fb\u6e90\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u3001[\u518d\u8d77\u52d5] \u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/p>\n<h2><span id=\"2_Close_other_Security_Programs\"><strong>2. \u4ed6\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u9589\u3058\u308b<\/strong><\/span><\/h2>\n<p>Windows 11 \u306f\u3001\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30c4\u30fc\u30eb\u3092\u691c\u51fa\u3059\u308b\u3068\u3001Windows \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u30aa\u30d5\u306b\u3057\u307e\u3059\u3002Windows 11 \u306b\u65b0\u3057\u3044\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u305f\u3070\u304b\u308a\u306e\u5834\u5408\u306f\u3001Windows \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u304c\u63d0\u4f9b\u3059\u308b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4fdd\u8b77\u3092\u6709\u52b9\u306b\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n<p>\u3057\u305f\u304c\u3063\u3066\u3001\u30d5\u30eb\u30b9\u30ad\u30e3\u30f3\u3092\u5b9f\u884c\u3057\u305f\u308a\u3001Windows \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u4fdd\u8b77\u3092\u6709\u52b9\u306b\u3057\u305f\u308a\u3059\u308b\u306b\u306f\u3001\u4ed6\u306e\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u88fd\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3092\u7121\u52b9\u306b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2><span id=\"3_Restart_the_Security_Center_Service\"><strong>3. \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30bb\u30f3\u30bf\u30fc\u30b5\u30fc\u30d3\u30b9\u3092\u518d\u8d77\u52d5\u3059\u308b<\/strong><\/span><\/h2>\n<p>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30bb\u30f3\u30bf\u30fc \u30b5\u30fc\u30d3\u30b9\u306f\u3001Windows \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30a2\u30d7\u30ea\u306b\u3088\u3063\u3066\u63d0\u4f9b\u3055\u308c\u308b\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u4fdd\u8b77\u3092\u62c5\u5f53\u3057\u307e\u3059\u3002\u3053\u306e\u30b5\u30fc\u30d3\u30b9\u304c\u7121\u52b9\u306b\u306a\u3063\u3066\u3044\u308b\u3068\u3001\u30a2\u30d7\u30ea\u306f\u52d5\u4f5c\u3057\u307e\u305b\u3093\u3002\u3057\u305f\u304c\u3063\u3066\u3001Windows 11 \u3067 Windows Defender \u304c\u52d5\u4f5c\u3057\u306a\u3044\u554f\u984c\u3092\u4fee\u6b63\u3059\u308b\u306b\u306f\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30bb\u30f3\u30bf\u30fc \u30b5\u30fc\u30d3\u30b9\u3092\u518d\u8d77\u52d5\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>1.\u30ad\u30fc\u30dc\u30fc\u30c9\u306e<strong>Windows \u30ad\u30fc + R\u30dc\u30bf\u30f3\u3092\u62bc\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001[\u5b9f\u884c] \u30c0\u30a4\u30a2\u30ed\u30b0 \u30dc\u30c3\u30af\u30b9\u304c\u958b\u304d\u307e\u3059\u3002<\/strong><\/p>\n<figure class=\"wp-block-image\"><img alt=\"\u5b9f\u884c\u30c0\u30a4\u30a2\u30ed\u30b0\u30dc\u30c3\u30af\u30b9\" class=\"wp-image\" decoding=\"async\" height=\"257\" loading=\"lazy\" src=\"https:\/\/cdn.howtogeek.blog\/wp-content\/uploads\/2024\/06\/Restart-the-Security-Center-Service-1.webp\" title=\"\u5b9f\u884c\u30c0\u30a4\u30a2\u30ed\u30b0\u30dc\u30c3\u30af\u30b9\" width=\"441\"\/><\/figure>\n<p>2. [\u5b9f\u884c] \u30c0\u30a4\u30a2\u30ed\u30b0 \u30dc\u30c3\u30af\u30b9\u3067\u3001<strong>\u300cservices.msc\u300d<\/strong>\u3068\u5165\u529b\u3057\u3001<strong>Enter<\/strong>\u30ad\u30fc\u3092\u62bc\u3057\u307e\u3059\u3002<\/p>\n<figure class=\"wp-block-image\"><img alt=\"\u30b5\u30fc\u30d3\u30b9.msc\" class=\"wp-image\" decoding=\"async\" height=\"258\" loading=\"lazy\" src=\"https:\/\/cdn.howtogeek.blog\/wp-content\/uploads\/2024\/06\/Restart-the-Security-Center-Service-2.webp\" title=\"\u30b5\u30fc\u30d3\u30b9.msc\" width=\"442\"\/><\/figure>\n<p>3. Windows \u30b5\u30fc\u30d3\u30b9\u3067\u3001<strong>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30bb\u30f3\u30bf\u30fc<\/strong>\u3092\u691c\u7d22\u3057\u307e\u3059\u3002<\/p>\n<figure class=\"wp-block-image\"><img alt=\"\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30bb\u30f3\u30bf\u30fc\" class=\"wp-image\" decoding=\"async\" height=\"403\" loading=\"lazy\" src=\"https:\/\/cdn.howtogeek.blog\/wp-content\/uploads\/2024\/06\/Restart-the-Security-Center-Service-3.webp\" title=\"\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30bb\u30f3\u30bf\u30fc\" width=\"600\"\/><\/figure>\n<p>4. \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30bb\u30f3\u30bf\u30fc\u3092\u53f3\u30af\u30ea\u30c3\u30af\u3057\u3001<strong>[\u518d\u8d77\u52d5]<\/strong>\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/p>\n<h2><span id=\"4_Run_the_SFC_and_DISM_Scan\"><strong>4. SFC\u3068DISM\u30b9\u30ad\u30e3\u30f3\u3092\u5b9f\u884c\u3059\u308b<\/strong><\/span><\/h2>\n<p>SFC (\u30b7\u30b9\u30c6\u30e0 \u30d5\u30a1\u30a4\u30eb \u30c1\u30a7\u30c3\u30ab\u30fc) \u3068 DISM (\u5c55\u958b\u30a4\u30e1\u30fc\u30b8 \u30b5\u30fc\u30d3\u30b9\u3068\u7ba1\u7406) \u306f\u3001\u7834\u640d\u3057\u305f\u30b7\u30b9\u30c6\u30e0 \u30d5\u30a1\u30a4\u30eb\u3092\u898b\u3064\u3051\u3066\u4fee\u5fa9\u3059\u308b\u305f\u3081\u306e\u30b3\u30de\u30f3\u30c9 \u30e9\u30a4\u30f3 \u30c4\u30fc\u30eb\u3067\u3059\u3002\u30b7\u30b9\u30c6\u30e0 \u30d5\u30a1\u30a4\u30eb\u306e\u7834\u640d\u306b\u3088\u308a Windows \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30a2\u30d7\u30ea\u304c\u52d5\u4f5c\u3057\u306a\u3044\u5834\u5408\u306f\u3001\u3053\u306e 2 \u3064\u306e\u30b3\u30de\u30f3\u30c9\u3067\u554f\u984c\u3092\u89e3\u6c7a\u3067\u304d\u307e\u3059\u3002Windows 11 \u3067\u4e21\u65b9\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308b\u65b9\u6cd5\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<p>1. \u307e\u305a\u3001Windows 11 \u306e\u691c\u7d22\u3092\u30af\u30ea\u30c3\u30af\u3057\u3001\u300c\u30b3\u30de\u30f3\u30c9 \u30d7\u30ed\u30f3\u30d7\u30c8\u300d\u3068\u5165\u529b\u3057\u307e\u3059\u3002\u30b3\u30de\u30f3\u30c9 \u30d7\u30ed\u30f3\u30d7\u30c8\u3092\u53f3\u30af\u30ea\u30c3\u30af\u3057\u3001\u300c<strong>\u7ba1\u7406\u8005\u3068\u3057\u3066\u5b9f\u884c\u300d<\/strong>\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/p>\n<figure class=\"wp-block-image\"><img alt=\"\u7ba1\u7406\u8005\u3068\u3057\u3066\u5b9f\u884c\" class=\"wp-image\" decoding=\"async\" height=\"515\" loading=\"lazy\" src=\"https:\/\/cdn.howtogeek.blog\/wp-content\/uploads\/2024\/06\/Run-the-SFC-and-DISM-Scan-1.webp\" title=\"\u7ba1\u7406\u8005\u3068\u3057\u3066\u5b9f\u884c\" width=\"600\"\/><\/figure>\n<p>2. \u30b3\u30de\u30f3\u30c9\u30d7\u30ed\u30f3\u30d7\u30c8\u3067\u3001\u6b21\u306e\u3088\u3046\u306b\u5165\u529b\u3057\u3001 <strong>Enter<\/strong><code><strong>sfc\/ scannow<\/strong><\/code>\u30ad\u30fc\u3092\u62bc\u3057\u307e\u3059\u3002<strong><\/strong><\/p>\n<figure class=\"wp-block-image\"><img alt=\"sfc\/\u30b9\u30ad\u30e3\u30f3\u30ca\u30a6\" class=\"wp-image\" decoding=\"async\" height=\"314\" loading=\"lazy\" src=\"https:\/\/cdn.howtogeek.blog\/wp-content\/uploads\/2024\/06\/Run-the-SFC-and-DISM-Scan-2.webp\" title=\"sfc\/\u30b9\u30ad\u30e3\u30f3\u30ca\u30a6\" width=\"554\"\/><\/figure>\n<p>3. \u30b7\u30b9\u30c6\u30e0 \u30d5\u30a1\u30a4\u30eb \u30c1\u30a7\u30c3\u30ab\u30fc \u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u304c\u5b9f\u884c\u3055\u308c\u3001\u7834\u640d\u3057\u305f\u30b7\u30b9\u30c6\u30e0 \u30d5\u30a1\u30a4\u30eb\u3092\u7f6e\u304d\u63db\u3048\u3088\u3046\u3068\u3057\u307e\u3059\u3002\u30a8\u30e9\u30fc\u304c\u8fd4\u3055\u308c\u305f\u5834\u5408\u306f\u3001\u5225\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p> <code><strong>DISM \/Online \/Cleanup-Image \/ScanHealth<\/strong><\/code><\/p>\n<figure class=\"wp-block-image\"><img alt=\"SFC\u3068DISM\u30b9\u30ad\u30e3\u30f33\u3092\u5b9f\u884c\u3059\u308b\" class=\"wp-image\" decoding=\"async\" height=\"345\" loading=\"lazy\" src=\"https:\/\/cdn.howtogeek.blog\/wp-content\/uploads\/2024\/06\/Run-the-SFC-and-DISM-Scan-3-1.webp\" title=\"SFC\u3068DISM\u30b9\u30ad\u30e3\u30f33\u3092\u5b9f\u884c\u3059\u308b\" width=\"605\"\/><\/figure>\n<p>\u3053\u308c\u3089 2 \u3064\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001Windows 11 PC \u3067 Windows \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30a2\u30d7\u30ea\u304c\u52d5\u4f5c\u3057\u306a\u3044\u554f\u984c\u304c\u4fee\u6b63\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<h2><span id=\"5_Reset_the_Windows_Security_App\"><strong>5. Windows\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30a2\u30d7\u30ea\u3092\u30ea\u30bb\u30c3\u30c8\u3059\u308b<\/strong><\/span><\/h2>\n<p>Windows \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306f\u30b7\u30b9\u30c6\u30e0 \u30a2\u30d7\u30ea\u3067\u3059\u304c\u3001\u6b63\u5e38\u306b\u52d5\u4f5c\u3057\u306a\u3044\u5834\u5408\u306f\u30ea\u30bb\u30c3\u30c8\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002Windows \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30a2\u30d7\u30ea\u3092\u30ea\u30bb\u30c3\u30c8\u3059\u308b\u65b9\u6cd5\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<p>1.<strong>\u8a2d\u5b9a<\/strong>\u30a2\u30d7\u30ea\u3092\u8d77\u52d5\u3057\u3001<strong>\u300c\u30a2\u30d7\u30ea\u300d<\/strong>\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/p>\n<figure class=\"wp-block-image\"><img alt=\"\u30a2\u30d7\u30ea\" class=\"wp-image\" decoding=\"async\" height=\"400\" loading=\"lazy\" src=\"https:\/\/cdn.howtogeek.blog\/wp-content\/uploads\/2024\/06\/Reset-Windows-Security-via-Settings-2-1.webp\" title=\"\u30a2\u30d7\u30ea\" width=\"285\"\/><\/figure>\n<p>2. \u53f3\u5074\u3067\u3001<strong>\u300c\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u305f\u30a2\u30d7\u30ea\u300d<\/strong>\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/p>\n<figure class=\"wp-block-image\"><img alt=\"\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u305f\u30a2\u30d7\u30ea\" class=\"wp-image\" decoding=\"async\" height=\"404\" loading=\"lazy\" src=\"https:\/\/cdn.howtogeek.blog\/wp-content\/uploads\/2024\/06\/Reset-Windows-Security-via-Settings-3-1.webp\" title=\"\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u305f\u30a2\u30d7\u30ea\" width=\"500\"\/><\/figure>\n<p>3. Windows \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30a2\u30d7\u30ea\u3092\u898b\u3064\u3051\u3066\u3001\u305d\u306e\u6a2a\u306b\u3042\u308b<strong>3 \u3064\u306e\u30c9\u30c3\u30c8\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/strong><\/p>\n<figure class=\"wp-block-image\"><img alt=\"3\u3064\u306e\u70b9\" class=\"wp-image\" decoding=\"async\" height=\"259\" loading=\"lazy\" src=\"https:\/\/cdn.howtogeek.blog\/wp-content\/uploads\/2024\/06\/Reset-Windows-Security-via-Settings-4-1.webp\" title=\"3\u3064\u306e\u70b9\" width=\"700\"\/><\/figure>\n<p>4. \u8868\u793a\u3055\u308c\u308b\u30e1\u30cb\u30e5\u30fc\u3067\u3001<strong>\u300c\u8a73\u7d30\u30aa\u30d7\u30b7\u30e7\u30f3\u300d<\/strong>\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/p>\n<figure class=\"wp-block-image\"><img alt=\"\u9ad8\u5ea6\u306a\u30aa\u30d7\u30b7\u30e7\u30f3\" class=\"wp-image\" decoding=\"async\" height=\"247\" loading=\"lazy\" src=\"https:\/\/cdn.howtogeek.blog\/wp-content\/uploads\/2024\/06\/Reset-Windows-Security-via-Settings-5-1.webp\" title=\"\u9ad8\u5ea6\u306a\u30aa\u30d7\u30b7\u30e7\u30f3\" width=\"700\"\/><\/figure>\n<p>5. \u6b21\u306e\u753b\u9762\u3067<strong>\u300c\u30ea\u30bb\u30c3\u30c8\u300d<\/strong>\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/p>\n<figure class=\"wp-block-image\"><img alt=\"\u30ea\u30bb\u30c3\u30c8\" class=\"wp-image\" decoding=\"async\" height=\"377\" loading=\"lazy\" src=\"https:\/\/cdn.howtogeek.blog\/wp-content\/uploads\/2024\/06\/Reset-Windows-Security-via-Settings-6-1.webp\" title=\"\u30ea\u30bb\u30c3\u30c8\" width=\"600\"\/><\/figure>\n<h2><span id=\"6_Reset_Your_Windows_11_PC\"><strong>6. Windows 11 PC\u3092\u30ea\u30bb\u30c3\u30c8\u3059\u308b<\/strong><\/span><\/h2>\n<p>\u3069\u306e\u65b9\u6cd5\u3082\u6a5f\u80fd\u3057\u306a\u3044\u5834\u5408\u306f\u3001Windows 11 PC \u3092\u30ea\u30bb\u30c3\u30c8\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002Windows 11 \u3092\u30ea\u30bb\u30c3\u30c8\u3059\u308b\u3068\u3001PC \u306f\u5de5\u5834\u51fa\u8377\u6642\u306e\u72b6\u614b\u306b\u5fa9\u5143\u3055\u308c\u307e\u3059\u304c\u3001\u30c7\u30d0\u30a4\u30b9\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u3066\u3044\u308b\u3059\u3079\u3066\u306e\u30a2\u30d7\u30ea\u3082\u524a\u9664\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u3057\u305f\u304c\u3063\u3066\u3001Windows 11 \u3092\u30ea\u30bb\u30c3\u30c8\u3059\u308b\u524d\u306b\u3001\u91cd\u8981\u306a\u30a2\u30d7\u30ea\u3068\u30d5\u30a1\u30a4\u30eb\u3092\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3057\u3066\u304a\u304f\u3053\u3068\u304c\u5e38\u306b\u6700\u5584\u3067\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30c7\u30fc\u30bf\u306e\u640d\u5931\u3092\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>1. Windows 11 \u306e\u30b9\u30bf\u30fc\u30c8 \u30e1\u30cb\u30e5\u30fc\u3092\u30af\u30ea\u30c3\u30af\u3057\u3001<strong>[\u8a2d\u5b9a]<\/strong>\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/p>\n<figure class=\"wp-block-image\"><img alt=\"\u8a2d\u5b9a\" class=\"wp-image\" decoding=\"async\" height=\"600\" loading=\"lazy\" src=\"https:\/\/cdn.howtogeek.blog\/wp-content\/uploads\/2024\/06\/Reset-Your-Windows-11-PC-1.webp\" title=\"\u8a2d\u5b9a\" width=\"577\"\/><\/figure>\n<p>2. \u8a2d\u5b9a\u30a2\u30d7\u30ea\u3067\u3001<strong>\u300c\u30b7\u30b9\u30c6\u30e0\u300d&gt;\u300c\u56de\u5fa9\u300d<\/strong>\u306b\u79fb\u52d5\u3057\u307e\u3059\u3002<\/p>\n<figure class=\"wp-block-image\"><img alt=\"\u30b7\u30b9\u30c6\u30e0 &gt; \u56de\u5fa9\u201d title=\u201d\u30b7\u30b9\u30c6\u30e0 &gt; \u56de\u5fa9\u201d width=\u201d640\u2033 height=\u201d521\u2033 loading=\u201dlazy\u201d class=\u201dwp-image\u201d src=\u201dhttps:\/\/cdn.howtogeek.blog\/wp-content\/uploads\/2024\/06\/Reset-Your-Windows-11-PC-3.webp\u201d\/&gt;&lt;\/figure&gt; &lt;p&gt;3. \u56de\u5fa9\u753b\u9762\u3067\u3001&lt;strong&gt;PC \u3092\u30ea\u30bb\u30c3\u30c8&lt;\/strong&gt; \u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002&lt;\/p&gt; &lt;figure class=\" wp-block-image=\"\"\/><img alt=\"PC\u3092\u30ea\u30bb\u30c3\u30c8\u3059\u308b\" class=\"wp-image\" decoding=\"async\" height=\"369\" loading=\"lazy\" src=\"https:\/\/cdn.howtogeek.blog\/wp-content\/uploads\/2024\/06\/Reset-Your-Windows-11-PC.webp\" title=\"PC\u3092\u30ea\u30bb\u30c3\u30c8\u3059\u308b\" width=\"800\"\/><\/figure>\n<p>4. \u6b21\u306e\u30d7\u30ed\u30f3\u30d7\u30c8\u3067\u3001\u30d5\u30a1\u30a4\u30eb\u3092\u4fdd\u6301\u3059\u308b\u304b\u3059\u3079\u3066\u3092\u524a\u9664\u3059\u308b\u304b\u3092\u9078\u629e\u3057\u307e\u3059\u3002<strong>[\u30d5\u30a1\u30a4\u30eb\u3092\u4fdd\u6301\u3059\u308b]<\/strong>\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002<\/p>\n<figure class=\"wp-block-image\"><img alt=\"\u30d5\u30a1\u30a4\u30eb\u3092\u4fdd\u6301\u3059\u308b\u30aa\u30d7\u30b7\u30e7\u30f3\" class=\"wp-image\" decoding=\"async\" height=\"396\" loading=\"lazy\" src=\"https:\/\/cdn.howtogeek.blog\/wp-content\/uploads\/2024\/06\/Reset-Your-Windows-11-PC-2.webp\" title=\"\u30d5\u30a1\u30a4\u30eb\u3092\u4fdd\u6301\u3059\u308b\u30aa\u30d7\u30b7\u30e7\u30f3\" width=\"600\"\/><\/figure>\n<p>\u30ea\u30bb\u30c3\u30c8\u5f8c\u3001Windows \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30a2\u30d7\u30ea\u3092\u518d\u5ea6\u5b9f\u884c\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002\u4eca\u5ea6\u306f\u30a2\u30d7\u30ea\u306f\u6b63\u5e38\u306b\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002\u6b21\u306b\u3001\u753b\u9762\u306e\u6307\u793a\u306b\u5f93\u3063\u3066\u30ea\u30bb\u30c3\u30c8 \u30d7\u30ed\u30bb\u30b9\u3092\u5b8c\u4e86\u3057\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u3089\u306f\u3001Windows 11 \u3067\u52d5\u4f5c\u3057\u306a\u3044 Windows \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30a2\u30d7\u30ea\u3092\u4fee\u6b63\u3059\u308b\u305f\u3081\u306e\u6700\u826f\u306e\u65b9\u6cd5\u306e\u4e00\u90e8\u3067\u3059\u3002\u3053\u308c\u3089\u306e\u65b9\u6cd5\u306b\u3088\u308a\u3001PC \u4e0a\u306e Windows \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30a2\u30d7\u30ea\u95a2\u9023\u306e\u554f\u984c\u304c\u78ba\u5b9f\u306b\u4fee\u6b63\u3055\u308c\u307e\u3059\u3002Windows \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30a2\u30d7\u30ea\u306b\u3064\u3044\u3066\u7591\u554f\u304c\u3042\u308b\u5834\u5408\u306f\u3001\u304a\u77e5\u3089\u305b\u304f\u3060\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Windows \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306f\u512a\u308c\u305f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u3059\u304c\u3001\u30b9\u30ad\u30e3\u30f3\u306e\u5b9f\u884c\u3092\u59a8\u3052\u308b\u30d0\u30b0\u304c\u307e\u3060\u3044\u304f\u3064\u304b\u6b8b\u3063\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u6700\u8fd1\u3001Windows 11 \u306b\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3057\u305f\u5f8c\u3001Windows Defender \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u958b\u304b\u306a\u3044\u3068\u3044\u3046\u5831\u544a\u304c\u6570\u4ef6\u3042\u308a\u307e\u3057\u305f\u3002 \u3057\u305f\u304c\u3063\u3066\u3001Windows 11 \u3092\u4f7f\u7528\u3057\u3066\u3044\u3066\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30a2\u30d7\u30ea\u304c\u52d5\u4f5c\u3057\u306a\u3044\u5834\u5408\u306f\u3001\u3067\u304d\u308b\u3060\u3051\u65e9\u304f\u554f\u984c\u3092\u898b\u3064\u3051\u3066\u4fee\u6b63\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u554f\u984c\u3092\u89e3\u6c7a\u3059\u308b\u305f\u3081\u306b\u5b9f\u884c\u3067\u304d\u308b\u6700\u5584\u306e\u7b56\u3092\u3044\u304f\u3064\u304b\u7d39\u4ecb\u3057\u307e\u3059\u3002 1. Windows 11\u3092\u518d\u8d77\u52d5\u3057\u307e\u3059 \u307e\u305a\u3001Windows \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u304c\u958b\u304b\u306a\u3044\u3001\u307e\u305f\u306f\u30b9\u30ad\u30e3\u30f3\u3092\u5b9f\u884c\u3067\u304d\u306a\u3044\u306a\u3069\u306e\u554f\u984c\u304c\u767a\u751f\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u3092\u518d\u8d77\u52d5\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u30b7\u30b9\u30c6\u30e0\u306e\u518d\u8d77\u52d5\u306f\u898b\u843d\u3068\u3055\u308c\u304c\u3061\u3067\u3059\u304c\u3001\u307b\u3068\u3093\u3069\u306e\u554f\u984c\u3092\u89e3\u6c7a\u3067\u304d\u307e\u3059\u3002 \u3057\u305f\u304c\u3063\u3066\u3001Windows 11 \u3067 Windows \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u4f7f\u7528\u4e2d\u306b\u554f\u984c\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306f\u3001\u307e\u305a PC \u3092\u518d\u8d77\u52d5\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u96fb\u6e90\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u3001[\u518d\u8d77\u52d5] \u3092\u9078\u629e\u3057\u307e\u3059\u3002 2. \u4ed6\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u9589\u3058\u308b Windows 11 \u306f\u3001\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30c4\u30fc\u30eb\u3092\u691c\u51fa\u3059\u308b\u3068\u3001Windows \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u30aa\u30d5\u306b\u3057\u307e\u3059\u3002Windows 11 \u306b\u65b0\u3057\u3044\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u305f\u3070\u304b\u308a\u306e\u5834\u5408\u306f\u3001Windows \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u304c\u63d0\u4f9b\u3059\u308b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4fdd\u8b77\u3092\u6709\u52b9\u306b\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002 \u3057\u305f\u304c\u3063\u3066\u3001\u30d5\u30eb\u30b9\u30ad\u30e3\u30f3\u3092\u5b9f\u884c\u3057\u305f\u308a\u3001Windows \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u4fdd\u8b77\u3092\u6709\u52b9\u306b\u3057\u305f\u308a\u3059\u308b\u306b\u306f\u3001\u4ed6\u306e\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u88fd\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3092\u7121\u52b9\u306b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 3. \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30bb\u30f3\u30bf\u30fc\u30b5\u30fc\u30d3\u30b9\u3092\u518d\u8d77\u52d5\u3059\u308b \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30bb\u30f3\u30bf\u30fc \u30b5\u30fc\u30d3\u30b9\u306f\u3001Windows \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30a2\u30d7\u30ea\u306b\u3088\u3063\u3066\u63d0\u4f9b\u3055\u308c\u308b\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u4fdd\u8b77\u3092\u62c5\u5f53\u3057\u307e\u3059\u3002\u3053\u306e\u30b5\u30fc\u30d3\u30b9\u304c\u7121\u52b9\u306b\u306a\u3063\u3066\u3044\u308b\u3068\u3001\u30a2\u30d7\u30ea\u306f\u52d5\u4f5c\u3057\u307e\u305b\u3093\u3002\u3057\u305f\u304c\u3063\u3066\u3001Windows 11 \u3067 Windows Defender \u304c\u52d5\u4f5c\u3057\u306a\u3044\u554f\u984c\u3092\u4fee\u6b63\u3059\u308b\u306b\u306f\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30bb\u30f3\u30bf\u30fc \u30b5\u30fc\u30d3\u30b9\u3092\u518d\u8d77\u52d5\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 1.\u30ad\u30fc\u30dc\u30fc\u30c9\u306eWindows \u30ad\u30fc [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[48],"class_list":["post-2734","post","type-post","status-publish","format-standard","hentry","category-how-to","tag-tips"],"acf":[],"_links":{"self":[{"href":"https:\/\/howtogeek.blog\/ja\/wp-json\/wp\/v2\/posts\/2734","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/howtogeek.blog\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/howtogeek.blog\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/howtogeek.blog\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/howtogeek.blog\/ja\/wp-json\/wp\/v2\/comments?post=2734"}],"version-history":[{"count":1,"href":"https:\/\/howtogeek.blog\/ja\/wp-json\/wp\/v2\/posts\/2734\/revisions"}],"predecessor-version":[{"id":2735,"href":"https:\/\/howtogeek.blog\/ja\/wp-json\/wp\/v2\/posts\/2734\/revisions\/2735"}],"wp:attachment":[{"href":"https:\/\/howtogeek.blog\/ja\/wp-json\/wp\/v2\/media?parent=2734"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/howtogeek.blog\/ja\/wp-json\/wp\/v2\/categories?post=2734"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/howtogeek.blog\/ja\/wp-json\/wp\/v2\/tags?post=2734"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}