Lungisa iFirefox SSL_ERROR_NO_CYPHER_OVERLAP ngaphakathi Windows 10

If you are a Firefox user, you might have faced SSL_ERROR_NO_CYPHER_OVERLAP error at least once. This NO CYPHER OVERLAP error can be related to update issues. It stops web browsing which can be frustrating. If you are dealing with this error, you are at the right place. We bring to you a perfect guide that will help you fix SSL_ERROR Firefox browser PR END OF FILE 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:

• Unxibelelwano olungelulo between client and server.
• Data transfer between client and server could not be qi nisiwe.
• Server and browser connecting with different encryption cipher.
• Kuphelelwe yisikhathi umkhangeli.
• Abakhubazekileyo SSL3 or TLS.
• Antivirus programs are pha zamisa with the browser.
• Ubukho be isoftwe.

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. Vula Run ibhokisi yencoko yababini ngokucinezela Izitshixo zeWindows + R kunye.

2. Uhlobo I-firefox -indlela ekhuselekileyo kwi Run dialog box and click OK.

3. Cofa kwi vula xa ucelwa

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. Cofa kwi imigca emithathu (Vula iMenyu yosetyenziso) njengoko kubonisiwe.

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

4. Kwipheyini esekhohlo, cofa ku Ubumfihlo noKhuseleko ithebhu.

5. Skrolela ezantsi ipheyini ekunene kwaye ucofe ku Coca iData... phantsi Iikuki kunye neDatha yeSiza icandelo.

6. Ungayiqwalasela ibhokisi ephawulweyo Iikuki kunye neDatha yeSiza kwaye Hlola ibhokisi ephawulweyo Umxholo weWebhu ogciniweyo.

7. Cofa kwi Cacileyo. It will clear Firefox cache.

Funda kwakhona: Lungisa Akukho sandi kwiFirefox Windows 10

Indlela yesi-3: Cima i-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. Landela Amanyathelo 1 ukuya ku-3 ku Indlela ye2 ukuvula Iisetingi zeFirefox.

2. Cofa kwi ngokubanzi ithebhu kwaye ukuyiqwalasela ibhokisi ephawulweyo Sebenzisa useto lokusebenza olucetyiswayo ngezantsi ukwenza icandelo njengoko libonisiwe.

3. Ungayiqwalasela ibhokisi ephawulweyo Sebenzisa ukukhawulezisa izixhobo xa kukho.

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

Indlela yesi-4: Hlaziya iFirefox 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 kwaye nqakraza imenyu icon.

2. Cofa kwi Nceda.

3. Cofa kwi Malunga neFirefox.

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 IFirefox ihlaziyiwe umyalezo.

Funda kwakhona: Lungisa uQhagamshelwano Lwakho akuyompazamo eKhuselekileyo kwiFirefox

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. Cofa kwi imenyu icon in Firefox.

2. Cofa kwi Izongezo kunye nemixholo.

3. Kwipheyini esekhohlo, cofa ku izandiso tab. After that, click on icon ye gear located at the right of Manage Your Extensions icandelo.

4. Cofa kwi Jonga uvuselelo.

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 umyalezo njengoko ubonisiwe.

Jonga ukuba iyawusombulula na umcimbi.

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. Cofa kwi izandiso ithebhu kwaye ujike uguqulelo OFF for your extensions.

Phawula: Apha, Grammarly for Firefox ithathwa njengomzekelo.

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 izandiso ithebhu.

2. Cofa kwi amachaphaza amathathu icon to the right of problematic extension and select Susa 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.

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

Indlela yesi-8: Qhuba iSikena seMalware

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.

Funda kwakhona: Lungisa iseva ayifunyenwanga mpazamo kwiFirefox

Method 9: Reset TLS and SSL3 to Default Settings

TLS and SSL refer to Ukhuseleko lwezoThutho kwaye Izikhokelo eziKhuselekileyo 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. vula Firefox kwaye uthayiphe malunga: config kwibha yedilesi.

2. Cofa kwi Yamkela umngcipheko kwaye uqhubeke iqhosha.

3. Uhlobo tls kwi Khangela igama lokhetho field as shown.

4. If any values are marked nesibindi, nqakraza kwi Cwangcisa kwakhona (arrow symbol) to change their values to default settings.

Phawula: 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. uhlobo I-SSL3 in Khangela igama lokhetho field and click on Cwangcisa kwakhona symbol for bold values of SSL3.

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

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

Phawula: Unokucofa kwi Tshintsha button to change status from Liyinyaniso ukuba False okanye ngokuthe ngqo.

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 Hlela button and change their value to 0.

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

3. Emva koko, cofa kwi Gcina iqhosha.

Option 2: Through About Preferences

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

1. Open Firefox and type malunga: ukhetho kwibha yedilesi.

2. Cofa kwi Ubumfihlo noKhuseleko tab and scroll down the right pane.

3. Ngaphakathi ukhuseleko menu ukuyiqwalasela ibhokisi ephawulweyo Block dangerous and deceptive content phantsi Deceptive Content and Dangerous Software Protection icandelo njengoko libonisiwe.

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

Funda kwakhona: Ukulungisa iFirefox Sele Isebenza

Indlela yesi-11: Hlaziya iFirefox

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 Indlela ye4.

2. Cofa kwi Ulwazi oluninzi lokusombulula ingxaki.

3. Khetha Vuselela iFirefox… ukhetho.

4. Cofa kwi Hlaziya kwakhona iFilifox button and it will began the refreshing process.

5. Cofa kwi Gqiba in the Import Wizard window.

6. Cofa kwi Masihambe! iqhosha.

Phawula: When you refresh Firefox, all previous Firefox data is stored in a folder Idatha endala yeFirefox on your Desktop. You can use the data whenever needed or you can delete it.

Indlela yesi-12: Yenza iProfayile entsha yeFirefox

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.

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

1. Betha i Izitshixo zeWindows + R kunye ukuvula i Run ibhokisi yencoko.

2. Uhlobo firefox.exe -P kwaye nqakraza OK.

3. Khetha Create Profile… ukhetho njengoko lubonisiwe.

4. Cofa kwi Okulandelayo iqhosha phakathi Yenza iWizard yeProfayili window.

5. Type new profile name under Ngenisa igama elitsha leprofayile kwaye nqakraza Gqiba.

Funda kwakhona: Uyilungisa njani iFirefox engalayishi amaphepha

Indlela yesi-13: Faka kwakhona iFirefox

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. Cinezela Isitshixo seWindows, thayipha Iphaneli yokulawula kwaye nqakraza vula.

2. Cofa kwi Khupha inkqubo phantsi Iinkqubo imenyu njengoko kubonisiwe.

3. Khetha Mozilla Firefox kuluhlu kwaye ucofe ku Khipha njengoko kubonisiwe.

4. Cofa kwi Ewe on Ulawulo lweAkhawunti yoMsebenzisi kha wuleza.

5. Cofa kwi Elandelayo> iqhosha phakathi Khipha iMozilla Firefox iwizard.

6. Cofa kwi Khipha.

7. nqakraza Gqiba ukuvala ifestile.

8. Cinezela Isitshixo seWindows, thayipha I-%appdata yasekhaya kwaye nqakraza vula ukuya e AppData Local ifolda.

9. Cofa ekunene on Mozilla ifolda kwaye ukhethe ususe.

10. Cinezela Isitshixo seWindows kwakhona, uhlobo % appdata% kwaye nqakraza vula ukuya e AppData Ukuzulazula ifolda.

11. Phinda kwakhona inyathelo 9 ukucima Mozilla ifolda.

12. Ekugqibeleni, qala kwakhona iPC yakho.

13. Ukukhuphela Mozilla Firefox isuka e website esemthethweni.

14. Baleka Isifakeli seFirefox ku Iyakhuphela ifolda kwaye ufake isikhangeli kwikhompyuter yakho.

Open the browser and check if the issue is resolved.

Phawula: 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.

Ithethelelwe:

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.