{"id":5569,"date":"2025-08-23T17:41:08","date_gmt":"2025-08-23T16:41:08","guid":{"rendered":"https:\/\/mortenknudsen.net\/?p=5569"},"modified":"2025-08-23T18:31:17","modified_gmt":"2025-08-23T17:31:17","slug":"outlook-teams-fails-with-webview2-error-seen-on-win11-arm","status":"publish","type":"post","link":"https:\/\/mortenknudsen.net\/?p=5569","title":{"rendered":"Modern Outlook\/Teams fails with WebView2 error &#8211; seen on Win11 ARM"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">I have experienced issues with some app pushing wrong WebView2 (X64) to a Win11 (ARM) machine. Then any apps that uses WebView2 including modern Outlook, Teams, Palo Alto Global Protect, etc fails to start.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Workaround:<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Step 1: Delete registry key (which blocks from re-installing WebView2)<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>HKLM\\SOFTWARE\\WOW6432Node\\Microsoft\\EdgeUpdate\\Clients{F3017226-FE2A-4295-8BDF-00C3A9A7E4C5}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Step 2: Download Webview2 (ARM) and run installation again<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/developer.microsoft.com\/en-us\/Microsoft-edge\/webview2\/?form=MA13LH#download\">https:\/\/developer.microsoft.com\/en-us\/Microsoft-edge\/webview2\/?form=MA13LH#download<\/a><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"737\" src=\"https:\/\/mortenknudsen.net\/wp-content\/uploads\/2025\/08\/image-21-1024x737.png\" alt=\"\" class=\"wp-image-5570\" srcset=\"https:\/\/mortenknudsen.net\/wp-content\/uploads\/2025\/08\/image-21-1024x737.png 1024w, https:\/\/mortenknudsen.net\/wp-content\/uploads\/2025\/08\/image-21-300x216.png 300w, https:\/\/mortenknudsen.net\/wp-content\/uploads\/2025\/08\/image-21-768x553.png 768w, https:\/\/mortenknudsen.net\/wp-content\/uploads\/2025\/08\/image-21.png 1194w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>I have experienced issues with some app pushing wrong WebView2 (X64) to a Win11 (ARM) machine. Then any apps that &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"Modern Outlook\/Teams fails with WebView2 error &#8211; seen on Win11 ARM\" class=\"read-more button\" href=\"https:\/\/mortenknudsen.net\/?p=5569#more-5569\" aria-label=\"Read more about Modern Outlook\/Teams fails with WebView2 error &#8211; seen on Win11 ARM\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"ngg_post_thumbnail":0,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[1],"tags":[],"class_list":["post-5569","post","type-post","status-publish","format-standard","hentry","category-uncategorized","infinite-scroll-item"],"featured_image_src":null,"author_info":{"display_name":"Morten Knudsen","author_link":"https:\/\/mortenknudsen.net\/?author=1"},"jetpack_sharing_enabled":true,"jetpack_likes_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/mortenknudsen.net\/index.php?rest_route=\/wp\/v2\/posts\/5569","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mortenknudsen.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mortenknudsen.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mortenknudsen.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mortenknudsen.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5569"}],"version-history":[{"count":8,"href":"https:\/\/mortenknudsen.net\/index.php?rest_route=\/wp\/v2\/posts\/5569\/revisions"}],"predecessor-version":[{"id":5578,"href":"https:\/\/mortenknudsen.net\/index.php?rest_route=\/wp\/v2\/posts\/5569\/revisions\/5578"}],"wp:attachment":[{"href":"https:\/\/mortenknudsen.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5569"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mortenknudsen.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5569"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mortenknudsen.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5569"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}