Haddii aad tahay isticmaale Firefox , waxaa laga yaabaa inaad la kulantay qalad SSL_ERROR_NO_CYPHER_OVERLAP ugu yaraan hal mar. Khaladkan NO NOQOSHADA CYPHER^{(NO CYPHER OVERLAP)} wuxuu la xiriiri karaa arrimaha cusboonaysiinta. Waxay joojisaa daalacashada shabakadda taasoo noqon karta niyad jab. Haddii aad la tacaalayso khaladkan, waxaad joogtaa meesha saxda ah. Waxaan kuu keenaynaa hage qumman oo kaa caawin doona inaad hagaajiso qaladka browserka SSL_ERROR Firefox .

Sida loo hagaajiyo Firefox SSL_ERROR_NO_CYPHER_OVERLAP gudaha Windows 10^{(How to Fix Firefox SSL_ERROR_NO_CYPHER_OVERLAP in Windows 10)}

Xaaladaha qaarkood, Firefox ma awoodo in ay ururiso xogta ammaanka website-ka la codsaday taas oo ugu horrayn u horseedaysa Firefox SSL_ERROR . Waa kuwan qaar ka mid ah sababaha keeni kara qaladkan:

• Xidhiidhka khaldan^{(Miscommunication )} ee u dhexeeya macmiilka iyo serverka.
• Wareejinta xogta u dhaxaysa macmiilka iyo seerfar waa la ^(Data)xaqiijin^(verified) kari waayay .
• Server-ka iyo browser-ka ku xidha xidhidhka sirta ah ee kala duwan^{(different encryption cipher)} .
• ^{(Outdated )}browser duugoobay
• Naafada^(Disabled) SSL3 ama TLS.
• Barnaamijyada ka-hortagga fayraska ayaa farageliya^{(interfering )} browserka.
• Joogitaanka Malware .

Kadib sababaha ka dambeeya qaladka SSL_ERROR_NO_CYPHER_OVERLAP , waa waqtigii la hagaajin lahaa. Halkan waxaa ah habab fudud oo kaa caawin doona inaad hagaajiso SSL_ERROR Firefox .

Habka 1: Firefox ku fur Mode Safe^{(Method 1: Open Firefox in Safe Mode)}

Arrimaha caanka ah ee Firefox waxaa lagu xalin karaa in lagu furo qaab badbaado^(Safe) leh. Waxay hagaajin kartaa Firefox SSL_ERROR_NO_CYPHER_OVERLAP . Raac tillaabooyinka hoose si aad isugu daydo.

1. Fur sanduuqa wada-hadalka Run adigoo wada riixaya Windows + R keys R.

2. Ku qor firefox -safe-mode sanduuqa  wada hadalka Run oo guji OK .

3. Guji fur^{(Open )} marka laguu sheego

Habka 2: Ka saar Firefox Cache^{(Method 2: Remove Firefox Cache)}

Khasnado musuqmaasuqa^(Corrupt) iyo cookies-ka ku jira biraawsarkaaga Firefox waxay sababi karaan arrimaha gelitaanka boggaga shabakadda taasoo horseedi karta qalad SSL_ERROR Firefox . Waxaad ku xallin kartaa dhibaatadan adigoo tirtiraya kaydka Firefox sida hoos lagu faray.^(Firefox)

1. Ka fur tab cusub Firefox .

2. Guji saddex sadar^{(three lines )} ( Open Application Menu ) sida ka muuqata.

3. Laga soo bilaabo liiska hoos u dhaca, guji Settings .

4. Shaxda bidix, guji Privacy & Security tab.

5. Hoos^(Scroll) u dhig shayga midig oo guji Clear ^{(Clear Data… )}Data^{(Cookies and Site Data )} …

6. Ka saar^{(Uncheck )} sanduuqa ku calaamadsan Kukiyada iyo Xogta Goobta^{(Cookies and Site Data )} oo calaamee^(Check) sanduuqa ku calaamadsan nuxurka Shabakadda Cached^{(Cached Web Content)} .

7. Guji Clear . Waxay nadiifin doontaa kaydinta Firefox.

Sidoo kale akhri: ^{(Also Read:)} Hagaaji wax cod ah Firefox gudaha Windows 10^{(Fix No Sound in Firefox on Windows 10)}

Habka 3: Demi Dardargelinta Qalabka^{(Method 3: Turn Off Hardware Acceleration)}

Isticmaalka Dardargelinta Hardware^{(Hardware Acceleration)} waxay keeni kartaa arrimo waxqabadka garaafyada taasoo sababi karta qaladka laga hadlay browserkaaga Firefox . Waxaad damin kartaa doorashada dardargelinta qalabka sida hoos lagu faray.

1. Raac tillaabooyinka 1 ilaa 3^{(Steps 1 to 3)} ee habka 2^{(Method 2)} si aad u furto Firefox Settings .

2. Guji tab Guud oo calaamad ka saar ^{(General )}sanduuqa^{(uncheck )} ku calaamadsan Isticmaal habaynta waxqabadka lagu taliyay ee^{(Use recommended performance settings )} ka hooseeya qaybta waxqabadka^{(Performance )} sida ka muuqata.

3. Ka saar^{(Uncheck )} sanduuqa ku calaamadsan Isticmaal dardargelinta qalabka marka la heli karo^{(Use hardware acceleration when available)} .

4. Ka bax^{(Exit )} browserka. Waxa kale oo aad riixi kartaa Ctrl + Shift + Q keys isku mar si aad taas u sameyso.

Habka 4: Cusbooneysii Firefox Browser^{(Method 4: Update Firefox Browser)}

Si la mid ah barnaamij kasta oo kale, waa in aad wakhti wakhti ah cusboonaysiiso browserka Firefox si aad uga fogaato khaladaad kasta oo software ah. Cusbooneysiinta waxay xallin kartaa qaladka SSL_ERROR Firefox . Raac tilmaamaha hoose si aad u cusboonaysiiso browserka Firefox .

1. Ka fur tab cusub Firefox oo guji calaamadda Menu .

2. Guji Caawinta^(Help) .

3. Guji Wax ku saabsan Firefox^{(About Firefox)} .

4A. Haddii wax cusbooneysiin ah la sugayo, waxay si toos ah u bilaabi doonaan soo dejinta si toos ah haddii kale, raac tilmaamaha shaashadda si aad u cusbooneysiiso Firefox . Kadib cusboonaysiinta dhammaato waxaad arki doontaa ikhtiyaarka Dib u Bilow Firefox si aad u Cusbooneysiiso. ^{(Restart Firefox to Update. )}Guji^(Click) oo Firefox ayaa dib u bilaabi doonta.

4B. Haddii Firefox mar hore la cusboonaysiiyay, waxaad heli doontaa Firefox waa^{(Firefox is up to date)} fariin cusub.

Sidoo kale akhri: ^{(Also Read:)} Hagaaji isku xirkaagu maahan khalad sugan Firefox^{(Fix Your Connection is not Secure Error on Firefox)}

Habka 5: Cusbooneysii Firefox Extensions^{(Method 5: Update Firefox Extensions)}

Mararka qaarkood kordhinta duugowday waxay carqaladayn kartaa wax ka dhex-raadinta Firefox . Waxay kaloo sababi karaan ciladkan Firefox^{(Firefox SSL_ERROR_NO_CYPHER_OVERLAP)} SSL_ERROR_NO_CYPHER_OVERLAP Waxaan kugula talineynaa inaad cusbooneysiiso fidinta Firefox sida hoos lagu faray.

1. Guji astaanta Menu ee Firefox.^{(Menu )}

2. Guji Add-ons and themes .

3. Muraayadda bidix, guji Extensions tab. Intaa ka dib, dhagsii astaanta gear^{(gear icon )} - ka ee ku taal dhanka midig ee Maamul^{(Manage Your Extensions )} qaybta Fidintaada.

4. Guji Hubinta Cusbooneysii^{(Check for Updates)} .

5A. Haddii cusboonaysiinta la heli karo, raac tilmaamaha shaashadda si aad u rakibto.

5B. Haddii kordhintaada mar hore la cusboonaysiiyay, waxaad heli doontaa Wax cusbooneysiin ah oo la helay^{(No updates found)}  fariin sida muuqata.

Hubi haddii ay xallinayso arrinta.

Habka 6: Dami ama Ka saar Kordhinta^{(Method 6: Disable or Remove Extensions)}

Haddii cusboonaysiinta fidinta Firefox -ka aysan xallinin arrinta, markaa waxaa lagugula talinayaa inaad ka saarto biraawsarkaaga ama aad gabi ahaanba ka saarto sida lagu faray hoos.

Xulashada 1: Dami Extensions Firefox^{(Option 1: Disable Firefox Extensions)}

1. Raac tillaabada 1^{(Follow Step 1)} iyo 2 ee Habka 5^{(Method 5)} .

2. Guji tab Extensions oo dami bakhtiinta kordhintaada^{(OFF )} .

Fiiro gaar ah:^{(Note: )} Halkan, Naxwaha loogu talagalay Firefox^{(Grammarly for Firefox )} waxaa loo qaatay tusaale ahaan.

Dami dhammaan kordhinta mid mid oo ogow kordhinta dhibka kuu keenaysa. Tani waa inay hagaajisaa arrinta.

Doorashada 2: Ka saar Firefox Extensions^{(Option 2: Remove Firefox Extensions)}

Haddii aad aqoonsatay kordhinta dhibaatada leh ee keenaysa qalad SSL_ERROR_NO_CYPHER_OVERLAP , ka dib waxaa lagugula talinayaa inaad gabi ahaanba ka saarto biraawsarkaaga sida lagu faray hoos.

1. Raac tillaabada 1^{(Follow Step 1)} iyo 2 ee Habka 5^{(Method 5)} . Guji tab Extensions

2. Guji summada saddexda dhibcood ^{(three dots icon )} ee dhinaca midig ee kordhinta dhibaatada leh oo dooro Ka saar^{(Remove )} ikhtiyaarka hoos u dhaca.

Waxay ka saari doontaa kordhinta browserka. Hubi haddii aad hagaajisay khalad CYPHER ISKU DUWAN^{(NO CYPHER OVERLAP)} .

Habka 7: Dami ka-hortagga fayraska si ku-meel-gaar ah^{(Method 7: Disable Antivirus Temporarily)}

Barnaamijka ka hortagga fayraska ee ku jira Windows 10 PC ayaa mararka qaarkood faragelin kara barnaamijyada sida Firefox oo keeni kara qalad SSL_ERROR Firefox . Waxaad si ku meel gaadh ah u joojinaysaa barnaamijka ka hortaga fayraska adigoo raacaya hagahayaga Disable Antivirus Si ku meel gaadh ah Windows 10^{(to Disable Antivirus Temporarily on Windows 10)} .

Fiiro gaar ah:^(Note:) Daree fayraska^(Antivirus) isla markiiba ka dib marka arrinta la xalliyo.

Habka 8: Orod Malware Scan^{(Method 8: Run Malware Scan)}

Windows 10 PC waxa uu leeyahay qalab ammaan oo ku dhex dhisan^{(built-in security suite)} si loo ogaado fayraska ama faylalka waxyeelada leh. Waxaad u isticmaali kartaa si aad u sawirto hanjabaad kasta iyo barnaamijyada xaasidnimada leh ee wax ku biirinaya qaladka SSL_ERROR_NO_CYPHER_OVERLAP . Raac hagahayaga Sideen Ku Sameeyaa Baadhista Fayraska Kombuyuutarkayga? ^{(How do I Run a Virus Scan on my Computer?)}. Intaa ka dib waxaad raaci kartaa hagahayaga Sida looga saaro Malware PC gaaga gudaha Windows 10^{(How to Remove Malware from your PC in Windows 10)} oo ka saar malware.

Sidoo kale akhri: ^{(Also Read:)} Hagaaji Server-ka aan cilad laga helin Firefox^{(Fix Server Not Found Error in Firefox)}

Habka 9: Dib ugu celi TLS iyo SSL3 si aad u dejiso Default^{(Method 9: Reset TLS and SSL3 to Default Settings)}

TLS iyo SSL waxay tixraacaan Amniga lakabka Gaadiidka^{(Transport Layer Security )} iyo lakabka Secure Sockets^{(Secure Sockets Layer )} siday u kala horreeyaan. Kuwani waa hab-maamuusyo qarsoodi ah oo xaqiijiya wareejinta xogta macmiilka oo loo wareejiyo server-ka. Waxay xafidaan xogta oo si toos ah ayaa loogu sahlayaa browserkaaga. Waxaad dib u dejintooda u dejin kartaa qiyamka caadiga ah sida hoos lagu faray si loo saxo khaladka CYPHER ISKU DUWAN^{(NO CYPHER OVERLAP)} .

1. Fur Firefox oo ku qor about:config ee ciwaanka ciwaanka.

2. Guji Aqbal Khatarta oo sii wad^{(Accept the Risk and Continue )} badhanka.

3. Ku qor tls goobta magaca doorbidida raadinta^{(Search preference name )} sida ku cad.

4. Haddii wax qiyam ah lagu calaamadeeyay geesinimo,^{(bold, )} dhagsii Reset (calaamada fallaadha) si aad u bedesho qiyamkooda una beddelaan goobaha caadiga ah.

Fiiro gaar ah:^{(Note: )} qiyamka lagu muujiyay geesinimada waa kuwa dhawaan isbedelay. Ku soo celinta dejintooda hore waxay hagaajin doontaa qalad CYPHER ISKU DUWAN^{(NO CYPHER OVERLAP)} .

5. Ku celi tillaabooyinka dib u dajinta SSL3. Ku qor SSL3 gudaha goobta magaca doorashada^{(Search preference name )} oo dhagsii calaamadda Dib^{(Reset )} u dajinta qiimayaasha geesinimada leh ee SSL3.

6. Isla shaashadda, hubi in xulashooyinka soo socda loo dhigay Been.^{(False. )}

• ammaanka.ssl3.dhe_rsa_aes_128_sha^{(security.ssl3.dhe_rsa_aes_128_sha)}
• ammaanka.ssl3.dhe_rsa_aes_256_sha^{(security.ssl3.dhe_rsa_aes_256_sha)}

Xusuusin^(Note) : Waxaad riixi kartaa badhanka Toggle si aad u bedesho heerka Run^{(True )} una beddelo Been^{(False )} ama lidkeeda.

Habka 10: Bed dhaaf Hab-maamuuska sirta ah^{(Method 10: Bypass Encryption Protocols)}

Waxaad dib u dajin kartaa dhawr dookh oo horumarsan Firefox kuwaas oo hagaajin kara qaladka SSL_ERROR_NO_CYPHER_OVERLAP . Habkani waxa uu sababi karaa khataro amni laakiin waxa la hirgelin karaa marka ay tahay inaad ka gudubto dookhyada amniga si aad u baadho boggaga internetka ee muhiimka ah. Raac tillaabooyinka hoose si aad uga gudubto borotokoolka sirta ah ee Firefox .

Xulashada 1: Iyadoo loo marayo Config^{(Option 1: Through About Config)}

1. Raac tillaabooyinka 1-3 ee Habka 9.

2. Mid mid u raadi xulashooyinka soo socda oo guji Edit badhanka oo u beddel qiimahooda 0 .

• amniga.tls.nooca.min^{(security.tls.version.min)}
• security.tls.nooca.dhac-u-dhac^{(security.tls.version.fallback-limit)}

3. Kadib, dhagsii badhanka Save .

Xulashada 2: Iyadoo loo marayo Dookhyada^{(Option 2: Through About Preferences)}

Waa kan hab kale oo aad kaga gudbi karto borotokoolka sirta ah ee Firefox -ka^(Firefox)

1. Fur Firefox oo ku qor ku saabsan: dookhyada^{(about:preferences)} ciwaanka ciwaanka.

2. Guji tab Privacy & Security oo hoos u rog dhinaca midigta.

3. Liiska Amniga^(Security) , ka saar sanduuqa^{(uncheck )} ku calaamadsan xannibaadda khatarta ah iyo waxyaabaha^{(Block dangerous and deceptive content )} khiyaanada leh ee hoos yimaada Mawduuca khiyaanada leh iyo^{(Deceptive Content and Dangerous Software Protection )} Qaybta Ilaalinta Software-ka khatarta ah sida muuqata.

Hubi haddii aad ku hagaajisay cilad CYPHER is^{(NO CYPHER OVERLAP)} -dul -qaadasho lahayn Firefox .

Sidoo kale akhri: ^{(Also Read:)} Hagaaji Firefox waa horeba wuu socdaa^{(Fix Firefox is Already Running)}

Habka 11: Dib u cusboonaysii Firefox^{(Method 11: Refresh Firefox)}

Firefox cusboonaysiinta waxay^(Firefox) tirtiri doontaa kordhintaada iyo habayntaada kale laakiin ma lumin doontid bookmarks, taariikhda la soo dejiyey, furaha sirta ah ee kaydsan, cookies iyo foomka shabakada macluumaadka si toos ah u buuxi. Waxa laga yaabaa inay hagaajiso SSL_ERROR_NO_CYPHER_OVERLAP arrinta. Raac tilmaamaha hoose si aad u cusboonaysiiso Firefox .

1. Raac tillaabooyinka 1 iyo 2 ee Habka 4^{( Method 4)} .

2. Guji macluumaad badan oo cilad^{(More troubleshooting information)} -raadinta .

3. Dooro Refresh Firefox… doorasho.

4. Guji badhanka Refresh Firefox oo waxay bilaabi doontaa habka soo kicinta.

5. Guji dhame^{(Finish )} daaqadda Wizard Import.

6. Guji Let’s go! badhanka.

Fiiro gaar ah:^{(Note: )} Markaad dib u cusbooneysiiso Firefox , dhammaan xogta Firefox ee hore waxay ku kaydsan yihiin gal xogta Firefox-ka hore^{(Old Firefox Data)} ee miiskaaga^(Desktop) . Waxaad isticmaali kartaa xogta mar kasta oo loo baahdo ama waad tirtiri kartaa.

Habka 12: Abuur Profile Firefox Cusub^{(Method 12: Create New Firefox Profile)}

Haddii aad wali wajahayso SSL_ERROR_NO_CYPHER_OVERLAP Firefox arrinta ka dib abuurista astaanta isticmaale Firefox cusub ayaa laga yaabaa inay hagaajiso. Raac tillaabooyinka hoose si aad sidaas u sameyso.

Fiiro gaar ah:^{(Note: )} Ka bax Firefox oo xidh dhammaan tabskeeda ka hor intaadan raacin habkan.

1. Ku dhufo Windows + R keys si aad u furto sanduuqa wada hadalka Run .

2. Ku qor firefox.exe -P oo ku dhufo OK .

3. Dooro Create Profile…  ikhtiyaarka sida muuqata.

4. Guji batoonka  xiga^{(Next )} ee ku dhex samee  daaqada Wizard Profile .^{(Create Profile Wizard)}

5. Ku qor magaca profile cusub hoostiisa Geli magac cusub oo profile^{(Enter new profile name)}  gujina  dhame^(Finish) .

Sidoo kale akhri: ^{(Also Read:)} Sida loo hagaajiyo Firefox oo aan soo dejin boggaga^{(How to Fix Firefox Not Loading Pages)}

Habka 13: Dib u rakib Firefox^{(Method 13: Reinstall Firefox)}

Haddi hababka midkoodna kuu shaqeeyo oo aad wali wajahayso SSL_ERROR_NO_CYPHER_OVERLAP Firefox markaa waxaad isku dayi kartaa dib u rakibida browserka. Waxaa laga yaabaa inay sameyso khiyaamada. Taas waxaad ku samayn kartaa adigoo raacaya tillaabooyinkan.

1. Riix furaha Windows^{(Windows key)} , ku qor Control Panel oo guji Open .

2. Guji Uninstall barnaamij^{(Uninstall a program )} ka hoos yimaada menu Programs sida ka muuqata.

3. Ka dooro Mozilla Firefox liiska oo guji Uninstall sida muuqata.

4. Guji Haa^{(Yes )} on User Account Control  degdeg ah.

5. Guji  Next > badhanka  Mozilla Firefox Uninstall  wizard.

6. Guji  Uninstall .

7. Guji  dhame^(Finish)  si aad u xidho daaqada.

8. Riix  furaha Windows^{(Windows key)} , ku qor  %localappdata% oo dhagsii  Fur^(Open)  si aad u gasho  AppData Local  .

9. Midig ku dhufo galka Mozilla  oo dooro ^(Mozilla )tirtir^(delete) .

10. Riix  furaha Windows^{(Windows key )} mar kale, ku qor  %appdata% oo guji  Open  si aad u gasho AppData Roaming  folder.

11. Ku celi talaabada 9^{(Step 9)} si aad u tirtirto gal Mozilla .

12. Ugu dambeyntii,  dib u bilow PC^{(restart your PC)} .

13. Ka soo  deji Mozilla Firefox^{(Mozilla Firefox)}  bogga rasmiga ah^{(official website)} .

14. Ka saar Firefox Installer  ka gal Downloads oo ku rakib browserka kombayutarkaga.

Fur browserka oo hubi haddii arrinta la xaliyay.

Fiiro gaar ah:^(Note:) Haddii aad wali la kulanto qaladka SSL_ERROR Firefox markaas arintu waxay ku taal dhinaca server-ka. Waxay dhacdaa haddii goobta ay ku socoto cipher suit RC4 taas oo aysan taageerin daalacashada shabakadaha caanka ah iyo haddii serfarka uu dhigay security.tls.unrestricted_rc4_fallback sida Been abuurkooda Dookhyadooda. Waxaad la xiriiri kartaa mulkiilaha goobta kiiskaas si aad u xalliso arrinta, haddii loo baahdo^{(security.tls.unrestricted_rc4_fallback as False in their Preferences. You can contact the site owner in that case to fix the issue, if needed)} .

lagu taliyay:^{(Recommended:)}

• 9 kanaalada Carabiga ee ugu Fiican Kodi^{(9 Best Arabic Channels on Kodi)}
• Hagaaji Google Chrome wuxuu si toos ah ugu furmay Windows 10^{(Fix Google Chrome Opens Automatically on Windows 10)}
• Hagaaji Firefox kama jawaabayso^{(Fix Firefox is Not Responding)}
• Hagaaji Cilada Dib U Dajinta Isku Xidhka Firefox^{(Fix Firefox Connection Reset Error)}

Waxaan rajeyneynaa in hagahan uu waxtar lahaa oo aad awooday inaad hagaajiso qaladka Firefox  SSL_ERROR_NO_CYPHER_OVERLAP . Nala soo socodsii habka kuugu fiican. Haddii aad hayso wax su'aalo ah ama talooyin ah markaa waxaad xor u tahay inaad ku riddo qaybta faallooyinka.

Fix Firefox SSL_ERROR_NO_CYPHER_OVERLAP in Windows 10

If yoυ are a Firefox user, you might have faced SSL_ERROR_NО_CYPHER_OVERLAP error at least once. This NO CYPHER OVERLAP error cаn be relаted to update isѕues. It stops web browsing which can be frustrating. If you are dеaling with this error, you are at the right рlaсe. We bring to you a perfеct guide that will hеlp you fix SЅL_ERROR Firefоx browser error.

How to Fix Firefox SSL_ERROR_NO_CYPHER_OVERLAP in Windows 10

In some cases, Firefox is unable to collect security data from the requested website which primarily leads to Firefox SSL_ERROR. Here are some reasons which can cause this error:

• Miscommunication between client and server.
• Data transfer between client and server could not be verified.
• Server and browser connecting with different encryption cipher.
• Outdated browser.
• Disabled SSL3 or TLS.
• Antivirus programs are interfering with the browser.
• Presence of Malware.

After under the reasons behind SSL_ERROR_NO_CYPHER_OVERLAP error, it is time fix it. Here are some simple methods that will help you fix SSL_ERROR Firefox.

Method 1: Open Firefox in Safe Mode

Common issues in Firefox can be resolved by opening it in Safe mode. It may fix Firefox SSL_ERROR_NO_CYPHER_OVERLAP. Follow the steps below to try it.

1. Open the Run dialog box by pressing Windows + R keys together.

2. Type firefox -safe-mode in the Run dialog box and click OK.

3. Click on Open when prompted

Method 2: Remove Firefox Cache

Corrupt cache and cookies in Firefox browser may cause issues in accessing web pages which can lead to SSL_ERROR Firefox error. You can resolve this problem by deleting Firefox cache as instructed below.

1. Open a new tab in Firefox.

2. Click on three lines (Open Application Menu) as shown.

3. From the drop down list, click on Settings.

4. In the left pane, click on Privacy & Security tab.

5. Scroll down the right pane and click on Clear Data… under Cookies and Site Data section.

6. Uncheck the box marked Cookies and Site Data and Check the box marked Cached Web Content.

7. Click on Clear. It will clear Firefox cache.

Also Read: Fix No Sound in Firefox on Windows 10

Method 3: Turn Off Hardware Acceleration

Using Hardware Acceleration may result in graphics performance issues which can cause the discussed error in your Firefox browser. You can turn off hardware acceleration option as instructed below.

1. Follow Steps 1 to 3 from Method 2 to open Firefox Settings.

2. Click on General tab and uncheck the box marked Use recommended performance settings below Performance section as shown.

3. Uncheck the box marked Use hardware acceleration when available.

4. Exit browser. You can also press Ctrl + Shift + Q keys simultaneously to do that.

Method 4: Update Firefox Browser

Like any other program, you must periodically update Firefox browser to avoid any software errors and bugs. Updating it might resolve SSL_ERROR Firefox error. Follow the instructions below to update Firefox browser.

1. Open a new tab in Firefox and click on Menu icon.

2. Click on Help.

3. Click on About Firefox.

4A. If any updates are pending, they will start downloading automatically by default if not, follow the on-screen instructions to update Firefox. After updating is complete you will see an option Restart Firefox to Update. Click on it and Firefox will restart.

4B. If Firefox is already updated, you will get Firefox is up to date message.

Also Read: Fix Your Connection is not Secure Error on Firefox

Method 5: Update Firefox Extensions

Sometimes Outdated extensions can interfere browsing in Firefox. They can also cause this Firefox SSL_ERROR_NO_CYPHER_OVERLAP error. We advise you to update Firefox extensions as instructed below.

1. Click on Menu icon in Firefox.

2. Click on Add-ons and themes.

3. In the left pane, click on Extensions tab. After that, click on gear icon located at the right of Manage Your Extensions section.

4. Click on Check for Updates.

5A. If updates are available, follow the on-screen instructions to install them.

5B. If your extensions are already updated, you will get No updates found message as shown.

Check if it resolves the issue.

Method 6: Disable or Remove Extensions

If updating Firefox extensions did not fix the issue, then you are advised to disable them from your browser or remove them completely as instructed below.

Option 1: Disable Firefox Extensions

1. Follow Step 1 and 2 from Method 5.

2. Click on Extensions tab and turn the toggle OFF for your extensions.

Note: Here, Grammarly for Firefox is taken as an example.

Disable all extensions one by one and find out which extension is causing you the trouble. This should fix the issue.

Option 2: Remove Firefox Extensions

If you have identified the problematic extension causing SSL_ERROR_NO_CYPHER_OVERLAP error, then you are advised to remove it completely from your browser as instructed below.

1. Follow Step 1 and 2 from Method 5. Click on Extensions tab.

2. Click on three dots icon to the right of problematic extension and select Remove option from drop down list.

It will remove the extension from the browser. Check if you have fixed NO CYPHER OVERLAP error.

Method 7: Disable Antivirus Temporarily

Antivirus program in your Windows 10 PC can sometimes interfere with programs like Firefox which can result in SSL_ERROR Firefox error. You to disable your antivirus program temporarily by following our guide to Disable Antivirus Temporarily on Windows 10.

Note: Enable the Antivirus immediately after the issue is resolved.

Method 8: Run Malware Scan

Windows 10 PC has a built-in security suite to detect any virus or harmful files. You can use it to scan any threats and malicious programs contributing to SSL_ERROR_NO_CYPHER_OVERLAP error. Follow our guide on How do I Run a Virus Scan on my Computer?. After that you can follow our guide on How to Remove Malware from your PC in Windows 10 and remove malware.

Also Read: Fix Server Not Found Error in Firefox

Method 9: Reset TLS and SSL3 to Default Settings

TLS and SSL refer to Transport Layer Security and Secure Sockets Layer respectively. These are cryptographic protocols that authenticate data transfer from client to server. They secure data and are enabled by default in your browser. You can reset their settings to default values as instructed below to fix NO CYPHER OVERLAP error.

1. Open Firefox and type about:config in the address bar.

2. Click on Accept the Risk and Continue button.

3. Type tls in the Search preference name field as shown.

4. If any values are marked bold, click on Reset (arrow symbol) to change their values to default settings.

Note: The values highlighted in bold are recently changed ones. Restoring them to their default settings will fix NO CYPHER OVERLAP error.

5. Repeat the steps to reset SSL3. Type SSL3 in Search preference name field and click on Reset symbol for bold values of SSL3.

6. In the same screen, ensure that the following options are set to False.

• security.ssl3.dhe_rsa_aes_128_sha
• security.ssl3.dhe_rsa_aes_256_sha

Note: You can click on Toggle button to change status from True to False or vice versa.

Method 10: Bypass Encryption Protocols

You can reset a few advanced preferences in Firefox that might fix SSL_ERROR_NO_CYPHER_OVERLAP error. This method may cause security threats but it can be implemented when you have to bypass security preferences to browse important web pages. Follow the steps below to bypass encryption protocols in Firefox.

Option 1: Through About Config

1. Follow Steps 1- 3 from Method 9.

2. Search for the following options one by one and click on Edit button and change their value to 0.

• security.tls.version.min
• security.tls.version.fallback-limit

3. Then, click on the Save button.

Option 2: Through About Preferences

Here is another way you can bypass encryption protocols in the Firefox

1. Open Firefox and type about:preferences in the address bar.

2. Click on Privacy & Security tab and scroll down the right pane.

3. In Security menu, uncheck the box marked Block dangerous and deceptive content under Deceptive Content and Dangerous Software Protection section as shown.

Check if you have fixed NO CYPHER OVERLAP error in Firefox.

Also Read: Fix Firefox is Already Running

Method 11: Refresh Firefox

Refreshing Firefox will delete your extensions and other customizations but you will not lose your bookmarks, downloaded history, saved passwords, cookies and web form auto-fill information. It might fix SSL_ERROR_NO_CYPHER_OVERLAP issue. Follow the instructions below to refresh Firefox.

1. Follow Steps 1 and 2 from Method 4.

2. Click on More troubleshooting information.

3. Select Refresh Firefox… option.

4. Click on Refresh Firefox button and it will began the refreshing process.

5. Click on Finish in the Import Wizard window.

6. Click on Let’s go! button.

Note: When you refresh Firefox, all previous Firefox data is stored in a folder Old Firefox Data on your Desktop. You can use the data whenever needed or you can delete it.

Method 12: Create New Firefox Profile

If you are still facing SSL_ERROR_NO_CYPHER_OVERLAP Firefox issue then creating a new Firefox user profile might fix it. Follow the steps below to do so.

Note: Exit Firefox and close all its tabs before following this method.

1. Hit the Windows + R keys together to open the Run dialog box.

2. Type firefox.exe -P and click on OK.

3. Select Create Profile… option as shown.

4. Click on Next button in Create Profile Wizard window.

5. Type new profile name under Enter new profile name and click on Finish.

Also Read: How to Fix Firefox Not Loading Pages

Method 13: Reinstall Firefox

If none of the methods works for you and you are still facing SSL_ERROR_NO_CYPHER_OVERLAP Firefox then you can try reinstalling the browser. It might do the trick. You can do that by following these steps.

1. Press Windows key, type Control Panel and click on Open.

2. Click on Uninstall a program under Programs menu as shown.

3. Select Mozilla Firefox from the list and click on Uninstall as shown.

4. Click on Yes on User Account Control prompt.

5. Click on Next > button in Mozilla Firefox Uninstall wizard.

6. Click on Uninstall.

7. Click Finish to close the window.

8. Press Windows key, type %localappdata% and click on Open to go to AppData Local folder.

9. Right-click on Mozilla folder and select delete.

10. Press Windows key again, type %appdata% and click on Open to go to AppData Roaming folder.

11. Repeat Step 9 to delete the Mozilla folder.

12. Finally, restart your PC.

13. Download Mozilla Firefox from the official website.

14. Run Firefox Installer from Downloads folder and install the browser on your computer.

Open the browser and check if the issue is resolved.

Note: If you still face SSL_ERROR Firefox error then the issue may be in the server side. It occurs if a site is running on cipher suit RC4 which is not supported by popular web browsers and if the server has set security.tls.unrestricted_rc4_fallback as False in their Preferences. You can contact the site owner in that case to fix the issue, if needed.

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We hope that this guide was helpful and you were able to fix the Firefox SSL_ERROR_NO_CYPHER_OVERLAP error. Let us know which method worked for you the best. If you have any queries or suggestions then feel free to drop them in the comments section.

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