--- a/browser/browser/aboutCertError.ftl
+++ b/browser/browser/aboutCertError.ftl
@@ -1,16 +1,16 @@
 # This Source Code Form is subject to the terms of the Mozilla Public
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
 # Variables:
 # $hostname (String) - Hostname of the website with cert error.
 cert-error-intro = { $hostname } yaroqsiz xavfsizlik sertifikatidan foydalanmoqda.
-cert-error-mitm-intro = Saytlar haqiqiyligini sertifikat beradigan markazlar bergan sertifikatlar yordamida tasdiqlaydi.
+cert-error-mitm-intro = Saytlar haqiqiyligi maxsus sertifikat taqdim etuvchi markazlar tomonidan tadiqlanadi.
 cert-error-mitm-mozilla = { -brand-short-name } Mozilla deb nomlangan notijorat tashkilot tomonidan qoʻllab-quvvatlanadi. U oʻzining sertifikat berish markazlari sertifikatlarini saqlovchi ochiq omboriga ega. Bu omborxona sertifikat berish markazlarini foydalanuvchilarning xavfsizligini taʼminlashda yordam beradi.
 cert-error-trust-cert-invalid = Sertifikat ishonchli emas, chunki u yaroqsiz CA sertifikat tomonidan berilgan.
 cert-error-trust-untrusted-issuer = Sertifikat ishonchli emas, chunki sertifikatni beruvchi ishonchli emas.
 cert-error-trust-signature-algorithm-disabled = Ushbu sertifikat ishonchli emas, chunki  xavfsiz bo‘lmagan algoritmdan foydalanib yozilgan imzo bo‘lganligi uchun o‘chirib qo‘yilgan.
 cert-error-trust-expired-issuer = Sertifikat ishonchli emas, chunki sertifikatni beruvchi eskirgan.
 cert-error-trust-self-signed = Sertifikat ishonchli emas, chunki uni o‘zi kiritgan.
 cert-error-untrusted-default = Sertifikat ishonchli manbadan emas.
 # Variables:
@@ -24,30 +24,43 @@ cert-error-details-hsts-label = HTTP mus
 # $hasHPKP (Boolean) - Indicates whether HPKP header is present.
 cert-error-details-key-pinning-label = HTTP ochiq kalitni qistirish: { $hasHPKP }
 cert-error-details-cert-chain-label = Sertifikat zanjiri:
 
 ## Messages used for certificate error titles
 
 connectionFailure-title = Ulana olmadi
 deniedPortAccess-title = Bu manzil cheklangan
+# "Hmm" is a sound made when considering or puzzling over something.
+# You don't have to include it in your translation if your language does not have a written word like this.
+dnsNotFound-title = Bu sayt topilmadi.
 fileNotFound-title = Fayl topilmadi
 fileAccessDenied-title = Fayldan foydalanishga ruxsat berilmadi
 generic-title = Obbo.
-captivePortal-title = Tarmoqda ro‘yxatdan o‘ting
+captivePortal-title = Tarmoqqa kirish
+# "Hmm" is a sound made when considering or puzzling over something.
+# You don't have to include it in your translation if your language does not have a written word like this.
+malformedURI-title = Manzil xato kiritilganga oʻxshayapti
 netInterrupt-title = Aloqa uzilib qoldi
 notCached-title = Hujjat mavjud emas
 netOffline-title = Oflayn usuli
 contentEncodingError-title = Kontentni kodlashda xato
 unsafeContentType-title = Xavfli fayl turi
 netReset-title = Ulanish uzilib qolgan
 netTimeout-title = Ulanish vaqti o‘tib ketdi
 unknownProtocolFound-title = Manzil tushunilmadi
 proxyConnectFailure-title = Proksi server ulanishlarni rad qilmoqda
 proxyResolveFailure-title = Proksi server topilmadi
 redirectLoop-title = Sahifa to‘g‘ri yo‘naltirilmagan
 unknownSocketType-title = Serverdan kutilmagan javob
 nssFailure2-title = Xavfsiz ulanib bo‘lmadi
 cspBlocked-title = Kontent xavfsizlik nazorati tomonidan bloklangan
+xfoBlocked-title = X-Frame-Options siyosati bloklagan
 corruptedContentError-title = Buzilgan kontent xatosi
 remoteXUL-title = Masofadagi XUL
 sslv3Used-title = Xavfsiz ulanish amalga oshmadi
 inadequateSecurityError-title = Ulanish xavfsiz emas
+blockedByPolicy-title = Bloklangan sahifa
+clockSkewError-title = Kompyuteringiz soati notoʻgʻri
+networkProtocolError-title = Tarmoq protokolida xatolik bor
+nssBadCert-title = Diqqat: xavfsizlikka tahdid ehtimoli mavjud
+nssBadCert-sts-title = Ulanmadi: xavfsizlikka tahdid ehtimoli mavjud
+certerror-mitm-title = Dasturiy taʼminot { -brand-short-name }ga bu saytga xavfsiz ulanish uchun ruxsat bermayapti

--- a/browser/browser/aboutDialog.ftl
+++ b/browser/browser/aboutDialog.ftl
@@ -8,24 +8,24 @@ releaseNotes-link = Yangi xususiyatlar
 update-checkForUpdatesButton =
     .label = Yangilash uchun tekshirish
     .accesskey = t
 update-updateButton =
     .label = { -brand-shorter-name } yangilanishi uchun qayta ishga tushiring
     .accesskey = R
 update-checkingForUpdates = Yangilanishlar uchun tekshirish...
 update-downloading = <img data-l10n-name="icon"/>Yangilanish yuklab olinmoqda —<label data-l10n-name="download-status"/>
-update-applying = Yangilanish qo‘llanmoqda…
+update-applying = Yangilanish qoʻllanilmoqda…
 update-failed = Yangilab bo‘lmadi.<label data-l10n-name="failed-link">So‘nggi versiyani yuklab olish</label>
-update-failed-main = Yangilab bo‘lmadi.<a data-l10n-name="failed-link-main">So‘nggi versiyani yuklab olish</a>
-update-adminDisabled = Yangilanishlar tizimingiz administratori tomonidan o‘chirib qo‘yilgan
+update-failed-main = Yangilanmadi.<a data-l10n-name="failed-link-main">Soʻnggi versiyani yuklab olish</a>
+update-adminDisabled = Yangilanishlar tizimingiz administratori tomonidan oʻchirib qoʻyilgan
 update-noUpdatesFound = { -brand-short-name } yangilangan
 update-otherInstanceHandlingUpdates = { -brand-short-name } boshqa manbadan yangilanadi
 update-manual = Yangilanishlar mavjud:<label data-l10n-name="manual-link"/>
-update-unsupported = Siz keyingi yangilanishlarni ushbu tizimda bajara olmaysiz. <label data-l10n-name="unsupported-link">Ko‘proq o‘rganish</label>
+update-unsupported = Siz keyingi yangilanishlarni ushbu tizimda bajara olmaysiz. <label data-l10n-name="unsupported-link">Batafsil</label>
 update-restarting = Qayta ishga tushirilmoqda…
 channel-description = Siz hozirda <label data-l10n-name="current-channel"></label> yangilash kanalidasiz.
 warningDesc-version = { -brand-short-name } sinovdagi versiya, shuning uchun yaxshi ishlamasligi mumkin.
 community-exp = <label data-l10n-name="community-exp-mozillaLink">{ -vendor-short-name }</label> -      <label data-l10n-name="community-exp-creditsLink">global jamoasi tomonidan tuzilgan.</label> Ushbu jamoa internetga har qanday inson kira olishini osonlashtirish uchun hamkorlikda ishlaydi.
 community-2 = { -brand-short-name } –  <label data-l10n-name="community-mozillaLink">{ -vendor-short-name }</label>, a <label data-l10n-name="community-creditsLink">global jamoasii tomonidan tuzilgan. </label> Ular internetga har qanday inson kira olishini osonlashtirish uchun hamorlikda ishlashadi.
 helpus = Yordam bermoqchimisiz? <label data-l10n-name="helpus-donateLink">Xayriya qiling</label> yoki <label data-l10n-name="helpus-getInvolvedLink">jamoaga qo‘shiling!</label>
 bottomLinks-license = Litsenziya ma’lumotlari
 bottomLinks-rights = Foydalanish shartlari