SEC_ERROR_UNKNOWN_ISSUER problem in Mozilla Firefox fix

You can check if there is more detail available about the issuer of the certificate.

1. click the "Advanced" button show more detail.
2. click the blue error text (SEC_ERROR_UNKNOWN_ISSUER) to show the certificate chain.
3. click "Copy text to clipboard" and paste the base64 certificate chain text in a reply.

1. How do I fix certificate errors in Firefox?
2. How do I fix insecure connection in Firefox?
3. How do I fix Firefox download problem?
4. How do I fix Javascript error in Firefox?
5. Why does Firefox keep saying your connection is not secure?
6. How do I fix certificate errors?
7. How can I fix secure connection failed?
8. How do I remove secure connection in Firefox?
9. How do you fix the problem your connection is not secure?
10. Why are all my downloads failing Firefox?
11. How do I change my download settings in Firefox?
12. Why do I get JavaScript errors?
13. How do I troubleshoot JavaScript errors?
14. How do I enable Java on Mozilla Firefox?

How do I fix certificate errors in Firefox?

Do the following:

1. On the error page, click Or you can add an exception.
2. Click Add Exception. ...
3. Click Get Certificate.
4. Click View to display a window that describes the problem with your z/OSMF site. ...
5. After you have verified the certificate, close the dialog. ...
6. Click Confirm Security Exception to trust the z/OSMF site.

How do I fix insecure connection in Firefox?

Chosen solution

Select Settings from the left sidebar menu. Switch to Active Protection. Click on Customize next to Web Shield. Uncheck the "Enable HTTPS Scanning" option and click ok.

How do I fix Firefox download problem?

Fix unable to download problem

1. Method # 1 (Clearing Download history) Clearing the downloads history can fix some problems with downloading files: ...
2. Method # 2 (Downloads. rdf file) ...
3. Method # 3 (Changing Download location) ...
4. Method # 4 (Resetting download folder) ...
5. Reset download actions for all file types.

How do I fix Javascript error in Firefox?

All Replies (2)

1. In the address bar, type about:config and press Enter.
2. Click "I accept the risk!"
3. In the search bar, search for "javascript. enabled" (with no quotes).
4. Right click the result named "javascript. enabled" and click "Toggle". JavaScript is now disabled.

Why does Firefox keep saying your connection is not secure?

For example, the Mozilla Firefox error “Your connection is not secure” prevents you from accessing various websites. This error usually occurs when the validation certificate is not completed and the encryption level is not strong enough.

How do I fix certificate errors?

How to Fix SSL Certificate Error

1. Diagnose the problem with an online tool.
2. Install an intermediate certificate on your web server.
3. Generate a new Certificate Signing Request.
4. Upgrade to a dedicated IP address.
5. Get a wildcard SSL certificate.
6. Change all URLS to HTTPS.
7. Renew your SSL certificate.

How can I fix secure connection failed?

To fix this, you need to visit the settings option of whichever security software that you are using and locate the SSL scanning feature of the software. Once you find it uncheck the box that indicates if it is enabled. Once you disable this feature on your security software, you should try visiting the website again.

How do I remove secure connection in Firefox?

How to disable SSL V3 in Firefox

1. Open Firefox, in the address bar type “about:config”
2. In the search field, type “TLS”
3. Double-click on security.tls.version.min.
4. Type 1.1 in the Enter Integer Value window.
5. Click OK.

How do you fix the problem your connection is not secure?

How to Fix “Your Connection Is Not Private” Error?

1. Reload the Page. ...
2. Don't Use Public WiFi. ...
3. Clear Your Browsing Data. ...
4. Use Incognito Mode. ...
5. Check Your Computer's Date and Time. ...
6. Check Your Antivirus or Internet Security Suite. ...
7. Temporarily Disable Your VPN. ...
8. Try Accessing the Website via Proxy.

Why are all my downloads failing Firefox?

Downloading an executable file (e.g., an .exe or . msi file) may fail, with the Downloads window showing Canceled under the file name. This happens because Firefox honors your Windows security settings for downloading applications and other potentially unsafe files from the Internet.

How do I change my download settings in Firefox?

Change where downloads are saved

1. In the Menu bar at the top of the screen, click Firefox and select Preferences. ...
2. In the General panel, find the Downloads section under Files and Applications.
3. Click the Browse button next to the Save files to entry.
4. Choose the downloads folder you wish to use.

Why do I get JavaScript errors?

Syntax errors take place when the JavaScript interpreter fails to execute a syntactically incorrect code. ... Grammatical mistakes, such as missing parentheses or unmatched brackets, are the major causes of syntax errors in JavaScript.

How do I troubleshoot JavaScript errors?

Press Command+Option+J (Mac) or Control+Shift+J (Windows, Linux, Chrome OS) to jump straight into the Console panel of Chrome DevTools. Or, navigate to More Tools > Developer Tools from Chrome menu, and click Console tab. The error console will open. If you don't see any errors try reloading the page.

How do I enable Java on Mozilla Firefox?

Firefox

1. Open the Firefox browser or restart it, if it is already running.
2. From the Firefox menu, select Tools then click the Add-ons option.
3. In the Add-ons Manager window, select Plugins.
4. Click Java (TM) Platform plugin (Windows) or Java Applet Plug-in (Mac OS X) to select it.