How to enter proxy settings in Firefox?

Enter proxy settings in Firefox:

Mozilla Firefox is an email service, which was first developed in 2003. Nevertheless, the latest version is threatening to take the market. Many companies and organizations use firewalls to block external users to access their Internet connection. To access your organization’s internet connection, you must know that How to enter proxy settings in Firefox before you can join the Internet.

Follow these steps to enter proxy settings in Firefox:

  1. Open Firefox Its app icon looks like a blue globe, with an orange fox wrapped around it.
  2. Click ☰ This icon is in the top-right corner of the Firefox window. A drop-down menu will appear.
  3. Click Options You should see this option in the middle of the drop-down menu. Doing this opens the Settings page for entering proxy settings in Firefox.
  • On Mac or Linux computers, click Preferences instead.
  1. Click General. This is a tab on the left side of the Firefox window
  • If this tab is blue, then Firefox is already on the General tab.
  1. Scroll down to the “Network Proxy” section. This is very bottom of the Firefox page
  2. Click on Settings … This button is located on the right side of the page. Doing so will open the proxy settings window to access Firefox proxy setting.,

proxy settings in Firefox

7. Check the “Manual Proxy Configuration” box. This option is near the top of the window

8. Enter your proxy information. You will need to fill the following fields.

proxy settings in Firefox

  • HTTP proxy – The IP address of your proxy server goes here
  • Port – The port number of the server goes here.
  1. Check the “Use this proxy server for all server protocols” box. It is directly below the “HTTP proxy” field

proxy settings in Firefox

10. Click OK. This is at the bottom of the window doing this will save your settings

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How to fix Firefox issues on Windows 10?

Windows 10 and Firefox issues

Users reported certain issues that How to fix Firefox issues on Windows 10?, and according to them, Firefox isn’t displaying graphics and it won’t load websites. This can be a big problem if you use Firefox as your default browser, but fortunately, there’s a way to fix this issue.

Solution 1 – Disable problematic add-ons

You can enhance the functionality of Firefox services with various add-ons, but in some cases, new add-ons can cause Firefox to crash on Windows 10. According to some users, the add-on that caused the crash for them was FlashGet, but bear in mind that almost any add-on can cause Firefox to crash, so you might have to disable or remove certain add-ons in order to fix this issue.

To disable a certain add-on in Firefox, follow these steps:

  1. Open Firefox and click the Menu button in the top right corner.
  2. Choose Add-ons from the list.

  1. Click the Extensions tab on the left. List of installed extensions should open.
  2. Now disable all extensions by clicking the Disable button.


  1. Restart Firefox and check if the issue is resolved.
  2. If the problem is fixed, you can try enabling extensions one by one until you find the one that is causing you problems.
  3. If you can’t open Firefox at all, it’s always a good idea to run it from Safe Mode. To access Safe Mode do the following:
  1. Press the Start button, click the Power button, press and hold Shift on your keyboard and choose the Restart option.

  1. Once your computer restarts, choose to Troubleshoot > Advanced options > Startup Settings and click the Restart button.
  2. After your computer restarts again press F5 to choose Safe Mode with Networking.
  3. When Safe Mode starts, try disabling any extensions from Firefox by following the steps above.
  4. Now your problem is solved

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Unblock Firefox from connecting to the Internet

How to fix to unblock firefox from connecting to the Internet:

Mozilla Firefox is one of the esteemed webmail applications that can provide the facility of the cross-platform and open source email facility to open it anytime and anywhere. But sometimes users face problem in Firefox that Unblock Firefox from connecting to the Internet.

So if you want to unblock the site, Follow these steps:

Unblocking Sites with a VPN:

  1. Open Firefox. Its app icon resembles an orange fox encircling a blue globe. 
  2. Click ☰. It’s in the top-right corner of the Firefox window. Clicking it prompts a drop-down menu.
  3. Click Options. You’ll find this option near the middle of the drop-down menu. Doing so opens the Settings page.
  • On a Mac or Linux computer, you’ll instead click Preferences.
  1. Click the General tab. It’s on the left side of the page.
  2. Scroll all the way down to the “Network Proxy” section. This section is at the very bottom of the “General” Settings page.
  3. Click Settings…. It’s to the right of the “Network Proxy” heading.
  4. Check the “Manual proxy configuration” box. You’ll find this near the top of the window.
  5. Enter your VPN’s address. Type your VPN’s network address into the “HTTP Proxy” text box.
  • If you don’t have a subscription to a VPN service, you’ll need to sign up for one before you can do this.
  1. Select a port. Type your VPN’s port into the “Port” text box
  2. Check the “Use this proxy server for all protocols” box. It’s below the “HTTP Proxy” text box.
  3. Click OK. Firefox will now use your VPN’s address to reroute its traffic, which should help unblock most sites (including system administrator-blocked sites and region-locked sites) in your Firefox browser.

Unblocking Sites with a Proxy:

  1. Open Firefox. Its app icon resembles an orange fox on a blue background.
  2. Open the Hide Me site. Go to in your browser.
  3. Enter a website’s address. Type the address of a blocked website into the “Enter web address” text box that’s in the middle of the page.
  • You can also select a different country by clicking the “Proxy location” drop-down box and then clicking a new country in the resulting drop-down menu.
  1. Click Visit anonymously. It’s a yellow button below the text box. Doing so will begin loading your website.
  2. Browse your site. Once the website loads, you should be able to use it as usual. Keep in mind, however, that your website’s load times will likely be significantly slower than usual.

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fix slow Mozilla Firefox on Windows 10

How to fix slow Mozilla Firefox on Windows 10:

Firefox is one of the most popular browsers on Windows platform, but despite its massive popularity, Firefox still has certain issues on fix slow Mozilla Firefox on Windows 10. Many users are complaining that Firefox is slow on Windows 10, and this can be a major problem if you use fix Mozilla Firefox on Windows 10.

Step to fix Mozilla Firefox on Windows 10:

Solution 1 – Change your power settings to High Performance.

 Many users reported that Firefox is running slow on their PC, and this issue is most often caused by your power settings. According to users, Windows 10 sometimes changes your power plan to Power Saving once your upgrade to it, so it’s advised that you change your settings to High Performance. To do that, follow these steps:

  1. Press Windows Key + S and enter Power Options. Choose Power Options from the menu.

2. Once the Power Options window opens select High Performance.


We have to mention that switching to High-Performance mode will drain your battery faster due to increased power consumption, but Firefox should be working without any slowdowns.

Solution 2 – Switch to a different theme

This is a possible workaround, but few users reported that it works, so you might want to try it. According to users, switching to a different, less demanding theme Firefox fixes issues with slow Firefox on Windows 10. Users reported that using a theme such as High Contrast theme fixed all slowdown issues for them.

By changing the default theme to less demanding one, Firefox might not look visually appealing, but it should work faster than before. To change your Firefox theme do the following:

  1. Open Firefox and click the Menu button in the top right corner and choose Add-ons.

  1. Select Get Add-ons tab on the right and click Featured themes.
  2. Try to find a simple theme that won’t use too much of your resources and install it.

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How to Fix Firefox Error sec_error_unknown_issuer?

Fix Firefox Error code sec_error_unknown_issuer:

Fix  Error sec_error_unknown_issuer with Online Tech Support Company focused on helping our customers avoid trouble due to Mozilla Firefox. Sometimes users using Mozilla Firefox to browse a website, you visit a website using an SSL certificate and receive an error that your connection is not secure. If you click to learn more, you see the following message below.

Fix Firefox error

1.Repair Registry Entries Associated with Error sec_error_unknown_issuer.

Follow these steps to Repair Registry for Error sec_error__unknown_issuer:

  • Click the Start button.
  • Type “command” in the search box… DO NOT hit ENTER yet!
  • While holding CTRL-Shift on your keyboard, hit ENTER.
  • You will be prompted with a permission dialog box.
  • Click Yes.
  • A black box will open with a blinking cursor.
  • Type “regedit” and hit ENTER.
  • In the Registry Editor, select the Error sec_error_unknown_issuer-related key (eg. Firefox) you want to back up.
  • From the File menu, choose Export.
  • Follow the Save In the list, select the folder where you want to save the Firefox backup key.
  • In the File Name box, type a name for your backup file, such as “Firefox Backup”.
  • Export Range box, be sure that “Selected branch” is selected.
  • Click Save.
  • The file is then saved with a .reg file extension.
  • You now have a backup of your Firefox-related registry entry.
  1. Conduct a Full Malware Scan of Your PC:

  2. Clean Out Your System Junk (Temporary Files and Folders) With Disk Cleanup (cleanmgr)

Fix Firefox Error sec_error_unknown_issuer (solution)
How to run Disk Cleanup (cleanmgr) (Windows XP, Vista, 7, 8, and 10):
  • Click the Start button.
  • Type “command” in the search box… DO NOT hit ENTER yet!
  • While holding CTRL-Shift on your keyboard, hit ENTER.
  • You will be prompted with a permission dialog box.
  • Click Yes.
  • A black box will open with a blinking cursor.
  • Type “cleanmgr” and hit ENTER.
  • Disk Cleanup will begin calculating how much occupied disk space you can reclaim.
  • The Disk Cleanup dialog box will appear with series of checkboxes you can select. In most cases, the “Temporary Files” category will occupy the most disk space.
  • Check the boxes of the categories you want to clean and click OK.
  1. Update Your PC Device Drivers:
  2. Utilize Windows System Restore to “Undo” Recent System Changes

To use System Restore (Windows XP, Vista, 7, 8, and 10):

  • Click the Start button.
  • In the search box, type “System Restore” and hit ENTER.
  • In the results, click System Restore.
  • Enter any administrator passwords (if prompted).
  • Follow the steps in the Wizard to choose a restore point.
  • Restore your computer.
  1. Uninstall and Reinstall the Firefox Program Associated with Error sec_error_unknown_issuer.

Uninstall and Reinstall Instructions for Windows 8, 10:

  • Hover the cursor in the bottom left of the screen to produce the Start Menu image.
  • Right-Click to bring up the Start Context Menu.
  • Click Programs and Features.
  • Locate The certificate is not trusted because the issuer certificate is an unknown-associated program (eg. Firefox) under the Name column.
  • Click on the Firefox-associated entry.
  • Click the Uninstall/Change on the top menu ribbon.
  • Follow the on-screen directions to complete the uninstallation of your Error sec_error_unknown_issuer-associated program.
  • After you have successfully uninstalled your Error sec_error_unknown_issuer-associated program (eg. Firefox), reinstall the program according to the Mozilla Foundation instructions.

Run Windows System File Checker (“sfc /scannow”)

System File Checker is a handy tool included with Windows that allows you scan for and restore corruptions in Windows system files (including those related to Error sec_error_unknown_issuer).

To run System File Checker (Windows XP, Vista, 7, 8, and 10):

  • Click the Start button.
  • Type “command” in the search box… DO NOT hit ENTER yet!
  • While holding CTRL-Shift on your keyboard, hit ENTER.
  • You will be prompted with a permission dialog box.
  • Click Yes.
  • A black box will open with a blinking cursor.
  • Type “sfc /scannow” and hit ENTER.
  • System File Checker will begin scanning for Error sec_error_unknown_issuer and other system file problems (be patient – the system scan may take a while).
  • Follow the on-screen commands.
  1. Install All Available Windows Updates:

Microsoft is constantly updating and improving Windows system files that could be associated with Error sec_error_unknown_issuer.

To check for Windows Updates (Windows XP, Vista, 7, 8, and 10):

  • Click the Start button.
  • Type “update” into the search box and hit ENTER.
  • The Windows Update dialog box will appear.
  • If updates are available, Click the Install Updates button.
  1. Perform a Clean Installation of Windows

Reasons of Error sec_error_unknown_issuer:

  • Corrupt download or incomplete installation of Firefox software.
  • Corruption in Windows registry from a recent Firefox-related software change (install or uninstall).
  • Virus or malware infection that has corrupted Windows system files or Firefox-related program files.
  • Another program maliciously or mistakenly deleted Firefox-related files.

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Mozilla Firefox Technical Support

Mozilla Firefox Customer support Number

our expert team has more than 10 years of experience in working with my firefox If you have any queries or issues regarding the Firefox technical support.

our expert team has a unique record of more than 1000 satisfied customer issues is solved till days so you don’t have to worry about your errors you can call 24/7 to our expert’s team.

Firefox keeps crashing on startup and their solution

A crash is what happens when Firefox closes or quits unexpectedly and the Mozilla Crash Reporter appears.

If Firefox keeps crashing when you open it, this article will show you how to get it working again.

Other problems with crashing:

If Firefox starts without crashing but then crashes, later on, see the Firefox crashes – Troubleshoot,

Prevent and get help fixing crashes

If Firefox will not start at all, but the Mozilla Crash Reporter appears, See the Firefox will not start – find solutions article or call us an expert team.

Need help?  Call 1-855-969-1880 Firefox support.

Mozilla Firefox Download

Mozilla Firefox has set itself apart from the contest since the beginning Firefox is an open source not-for-enterprise, which is built by its users and is available for anyone’s use. The browser was created not to make profits, but because its programmers thought that they can do better than their predecessors, Google and Microsoft, Mozilla Firefox Download, Firefox is a very active community of contributors, build extensions and user experience Improvement in.

  1. Go to  Firefox download page in any browser, such as Microsoft Internet Explorer

Install Firefox for Windows

2.Click the Free Download button to download the Firefox installer page will automatically recommend you the best version of Firefox. Alternatively, use this download link for the latest Firefox version.

For advanced option, The Firefox download page will automatically select the best available version of Firefox for your computer and if you need a complete, offline installer or if you need language and operating system, go to system and go to the languages Page for Firefox for Windows (32-bit) Firefox version or Windows 7 and above 64-bit operating system. Windows can view the 64-bit version (see this blog post for details).

  1. If you use Microsoft Internet Explorer, the Notification Bar will appear with the option to run the installer at the bottom of the page or save the file to your computer. Click Run to start the process.install firefox for windows
  2. For other browsers, you will have to save the Firefox installer on your computer first, then open the file you have downloaded.

Note:  Security Warning dialogue box will open, click Run.

install firefox for windows

3. After that, click on Install (we make this process as easy as possible).

install firefox for windows

Congratulations, you are installing Firefox!

4. Double click on the Firefox icon whenever you want to go online.

install firefox for windows

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Mozilla Firefox Fix and Repair

Mozilla Firefox Fix and Repair
Mozilla Firefox Fix and Repair, Mozilla Firefox is one of the popular browsers after Google chrome. It is a favorite browser for web developers as it has many extensions to support development. Mozilla releases their updates for Firefox as it gets newer features. Sometimes it becomes incompatible to windows due to new features or due to other installed programs. Even after lots of testing, it fails to be compatible with windows and related programs. Sometimes it acts weird and gives you errors one of them is “Couldn’t Load XPCOM”. While launching Firefox on windows computers. If you tried fixing it by doing a virus scan, removing junk files and doing system reboot many times. But it does not fix this error then here is few recommended methods to fix Couldn’t Load XPCOM error. For more….

Mozilla Firefox Fix and Repair

mozilla firefox fix and repair

Ways to Fix Couldn’t Load XPCOM error

Method 1: Close couldn’t load XPCOM error message, open another browser like Internet explorer or Google Chrome Download the latest version of Mozilla Firefox and upgrade to newer version.

mozilla firefox fix and repair

After the complete upgrade, you may be able to run Firefox as usual.

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Mozilla Firefox Check for Updates

Manual Updates

Mozilla Firefox Check for Updates

You can manually check for Firefox updates at any time. To check for updates follow these steps:

  1. Open Firefox browser.
  2. At the top of the Firefox window, click theHelp menu and select About Firefox.
  3. The About Mozilla Firefox window will open,
  4. and Firefox will begin checking for updates.
  5. If an update is available, it will begin downloading automatically.
  6. If Firefox is already up to date, just close theAbout Firefox
  7. When the updates are downloaded and ready to be installed,
  8. click Apply Update.

Firefox will be restarted and the updates will be installed.  When your Firefox installation is up to date, Firefox is up to date will display in the About Mozilla Firefox window

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Get help troubleshooting play store

Troubleshoot play store

Google get help troubleshooting play blocks access to Play Store on Firefox Browser for Android, As first noticed by a user post on the Hacker News forum, you can no longer visit the Google Play Store from the Firefox Browser for Android.

get help troubleshooting play

The company has not made any official announcement, and Mozilla has not yet commented on the matter. However, I tested it out myself and came to an error message, which reads:

“This browser is no longer supported. Please use the Google Play Store app to access Google Play.”

Of course, you can access Google Play while in Firefox by switching to the desktop version instead. Tap the menu icon in the upper right corner of the screen to access the drop down menu. Then, select “Request Desktop Site.”

The Google Play Store will then load as if you were running Firefox on a desktop instead of a mobile device.

My first thought is, “What is wrong with just using the Google Play Store app?” However, from comments posted on Hacker News, I get it.

People use Firefox because it allows them to create a customized web browsing experience. If you browse the Google Play Store via Firefox, you are able to perform certain actions that you can’t do while in the actual app. For example, one commenter, rev bird, noted that the back button doesn’t work right, saved passwords don’t move over, and clicked links only load in the application instead of your browser.

get help troubleshooting play

Being able to access the Play Store from Firefox is a big deal for users of the browser. The fact that it is currently blocked from use might seem like an affront.

If Google is trying to redirect users to the official Play Store app, they may be trying to gain more control over the data they collect from users. Or, it could be a mistake that will be fixed tomorrow.

Call  +1-855-969-1880 for more help and support.