{"id":15212,"date":"2022-10-01T13:23:48","date_gmt":"2022-10-01T13:23:48","guid":{"rendered":"https:\/\/gtechbooster.com\/?p=15212"},"modified":"2023-03-08T02:33:51","modified_gmt":"2023-03-08T02:33:51","slug":"how-to-fix-xulrunner-error-platform-version-is-not-compatible-in-mozilla-firefox-and-thunderbird","status":"publish","type":"post","link":"https:\/\/gtechbooster.com\/how-to-fix-xulrunner-error-platform-version-is-not-compatible-in-mozilla-firefox-and-thunderbird\/","title":{"rendered":"How To Fix XULRunner Error Platform Version Is Not Compatible In Mozilla Firefox and Thunderbird"},"content":{"rendered":"\n<p>If you are a Mozilla Firefox user then you might see an error named Xulrunner Error when trying to open Firefox browser. This error will appear out of nowhere and it will prevent you from using the Firefox browser. This error can also appear when turning on the Mozilla Thunderbird as well. <\/p>\n\n\n\n<figure class=\"wp-block-image size-large wp-duotone-000000-ffffff-1\"><img loading=\"lazy\" decoding=\"async\" width=\"722\" height=\"300\" src=\"https:\/\/gtechbooster.com\/media\/2022\/10\/xur-runner-error-722x300.png\" alt=\"Xulrunner error\" class=\"wp-image-15720\" srcset=\"https:\/\/gtechbooster.com\/media\/2022\/10\/xur-runner-error-722x300.png 722w, https:\/\/gtechbooster.com\/media\/2022\/10\/xur-runner-error-640x266.png 640w, https:\/\/gtechbooster.com\/media\/2022\/10\/xur-runner-error-144x60.png 144w, https:\/\/gtechbooster.com\/media\/2022\/10\/xur-runner-error-768x319.png 768w, https:\/\/gtechbooster.com\/media\/2022\/10\/xur-runner-error.png 929w\" sizes=\"auto, (max-width: 722px) 100vw, 722px\" \/><figcaption>Xulrunner error<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">The Cause<\/h2>\n\n\n\n<div class=\"gtech-migrated-from-ad-inserter-placement-2\" style=\"text-align: center;\" id=\"gtech-1004980239\"><div style=\"margin-right: auto;margin-left: auto;text-align: center;\" id=\"gtech-4159650203\"><a data-bid=\"1\" data-no-instant=\"1\" href=\"https:\/\/gtechbooster.com\/linkout\/17207\" rel=\"noopener\" class=\"notrack\" aria-label=\"26001\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gtechbooster.com\/media\/2023\/01\/26001.jpeg\" alt=\"\"  srcset=\"https:\/\/gtechbooster.com\/media\/2023\/01\/26001.jpeg 1024w, https:\/\/gtechbooster.com\/media\/2023\/01\/26001-768x960.jpeg 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" width=\"500\" height=\"625\"  style=\"display: inline-block;\" \/><\/a><\/div><\/div><p>The main reason for this error is an incomplete installation\/update of the <a href=\"https:\/\/gtechbooster.com\/i\/mozilla-firefox\/\">Firefox browser<\/a> or Thunderbird mail client. Firefox is usually set to automatically install updates and this process can be interrupted because of bad internet or a sudden system shutdown or an antivirus. Whenever this happens, your Firefox update doesn\u2019t install completely and leaves you with an installation with a mixture of old and new updated files in the Firefox program folder.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">The Remedy<\/h2>\n\n\n\n<p>The remedy to when you experience this error on both <a href=\"https:\/\/gtechbooster.com\/i\/mozilla-thunderbird\/\">Mozilla Thunderbird<\/a> and Mozilla Firefox browser is to reinstall update or if a new install try it again. In situations where the delivery by your <a href=\"https:\/\/gtechbooster.com\/i\/internet-service-provider\/\">ISP<\/a> is just awful. Try downloading offline packages other than using the online dependent installers. In certain situation remnants of the breaker install must be totally removed before attempting a new install.<\/p>\n\n\n\n<h6 class=\"wp-block-heading\">More Information \u2139\u00a0<\/h6>\n\n\n\n<p>&#8211; <a href=\"https:\/\/www.mozilla.org\/en-US\/firefox\/all\/\">Firefox Internet dependent installer<\/a><br>&#8211; <a href=\"https:\/\/www.thunderbird.net\/\" target=\"_blank\" rel=\"noreferrer noopener\">Thunderbird Internet dependent installer<\/a><br>&#8211; <a rel=\"noreferrer noopener\" href=\"https:\/\/download-installer.cdn.mozilla.net\/pub\/firefox\/releases\/\" target=\"_blank\">Firefox Offline installer<\/a><br>&#8211; <a rel=\"noreferrer noopener\" href=\"https:\/\/download-installer.cdn.mozilla.net\/pub\/thunderbird\/releases\/\" target=\"_blank\">Thunderbird Offline installer<\/a><\/p>\n<div class=\"gtech-end-cont\" id=\"gtech-2803350069\"><div style=\"margin-right: auto;margin-left: auto;text-align: center;\" id=\"gtech-750269430\"><a data-bid=\"1\" data-no-instant=\"1\" href=\"https:\/\/gtechbooster.com\/linkout\/75343\" rel=\"noopener\" class=\"notrack\" aria-label=\"jesdphis\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gtechbooster.com\/media\/2025\/08\/jesdphis.avif\" alt=\"\"  srcset=\"https:\/\/gtechbooster.com\/media\/2025\/08\/jesdphis.avif 1179w, https:\/\/gtechbooster.com\/media\/2025\/08\/jesdphis-768x950.avif 768w\" sizes=\"(max-width: 1179px) 100vw, 1179px\" width=\"300\" height=\"300\"  style=\"display: inline-block;\" \/><\/a><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>This error is largely caused by incomplete installation upgrade process for Firefox or Thunderbird application from Mozilla. <\/p>\n","protected":false},"author":7,"featured_media":15721,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[1153,318,569,1799,949,146],"class_list":["post-15212","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-how-to","tag-electronic-mail","tag-mozilla-firefox","tag-mozilla","tag-mozilla-thunderbird","tag-tutorial","tag-web-browser"],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":6}},"_links":{"self":[{"href":"https:\/\/gtechbooster.com\/api-json\/wp\/v2\/posts\/15212","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gtechbooster.com\/api-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gtechbooster.com\/api-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gtechbooster.com\/api-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/gtechbooster.com\/api-json\/wp\/v2\/comments?post=15212"}],"version-history":[{"count":0,"href":"https:\/\/gtechbooster.com\/api-json\/wp\/v2\/posts\/15212\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/gtechbooster.com\/api-json\/wp\/v2\/media\/15721"}],"wp:attachment":[{"href":"https:\/\/gtechbooster.com\/api-json\/wp\/v2\/media?parent=15212"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gtechbooster.com\/api-json\/wp\/v2\/categories?post=15212"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gtechbooster.com\/api-json\/wp\/v2\/tags?post=15212"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}