How to Resolve the Pr_Connect_Reset_Error? [5 Ways]

Is Mozilla Firefox your preferred browser? Have you set Firefox as you’re your default browser? If the answer to any of these queries is – “Yes,” then, I am sure you must have been greeted by the pr_connection_reset error once.

And, if not, then let me inform, it’s a frustrating and troublesome error. The pr_connect_reset error pops up when the web browser (in this case – Mozilla Firefox) is unable to connect to the server. Due to this you are unable to access the site that you were trying to connect.

What is Pr_Connect_Reset Error?

The Pr_Connect_Reset error is a type of warning message that pops up on the Mozilla Firefox browser when the browser (Firefox) is unable to connect to the server.

On the surface, this error is similar to 400 status code and 500 status code errors, but pr_connection_reset error only pops up on the Firefox browser.

What Are The Reasons Because of Which The PR_CONNECT_RESET Error Pops Up?

The main reason that give rise to the pr_connection_reset error is that the browser (Mozilla Firefox) is unable to form a secure and encrypted connection with the server.

In lay terms, the main reason is that client (Firefox, in this case) is unable to connect to the website server. Apart from this primary reason, there are other reasons because of which this error may pop up, such as:

• Firewall or security issues blocking the connection
• Geoblocking restricting access based on location
• Conflicting VPN/proxy & standard connections
• TCP protocol filtering mistakenly blocking data
• Server timeouts
• DNS resolution failures
• Load balancing issues
• Server overload
• Network congestion
• Connection issues between browser and server, etc.

How to Fix The Pr_Connect_Reest Error?

There are a total of five (5) methods or techniques that can help you get the issue in discussion fixed. Strat by following the steps mentioned under the first method or technique.

Here are the methods that you can use to get the pr_connection_reset error fixed:

Method 1: Clear Mozilla Firefox Cache

Method 2: Change the Network

Method 3: Temporarily turn off Firewall and Antivirus Software (if in use)

Method 4: Temporarily turn off VPN (Virtual Private Network) or Proxy (if in use)

Method 5: Disable Mozilla Firefox Extensions and Add-Ons (if in use)

Let’s explore each of these methods in-depth.

Method 1: Clear Mozilla Firefox Cache

Popular browsers like – Mozilla Firefox, Chrome, Internet Explorer, etc., store data in their cache. They do so to increase (boost) the loading speed of the page as well as provide a personalized web experience.

But storing the outdated cache data can also lead to connectivity issues, giving rise to the issue in the discussion.  Hence, clear the cache data and re-access the web page.

Follow the steps mentioned below to clear cache data in Mozilla Firefox browser:

1. Open a new tab in the Mozilla Firefox browser.
2. Click the Open application menu icon (three horizontal lines).
3. From the list, click Settings.
4. In the left pane, click the Privacy & Security option.
5. Under the Cookies and Site Data section, check the Delete cookies and site data when Firefox is closed checkbox.
6. Click the Clear Data option.
7. The Clear Data dialog box will appear.
8. In the Clear Data dialog box, check the checkbox in front of the Cached Web Content option.
9. Click Clear.
10. Re-access the web page.
11. Verify whether the issue persists or not.

Method 2: Change the Network

It may also happen that you are being greeted by the pr_connection_reset error due to the network that you are using. Hence, change the network and connect to a different network.

Once done, try accessing the web page again. If you are able to do so, then the network that you were using was the culprit.

Method 3: Temporarily turn off Firewall and Antivirus Software (if in use)

Sometimes antivirus and firewall programs mistakenly flag safe websites as threats. Hence, it’s best to disable them temporarily and check whether issue exits or not.

Follow the steps mentioned below to turn off the firewall (temporarily):

1. Click Search, placed on the taskbar.
2. Type Windows Defender Firewall and press Enter.
3. The Windows Defender Firewall window will appear.
4. In the left pane, click the Turn Windows Defender Firewall on or off option.
5. Under the Private network settings section, check the checkbox placed adjacent to the Turn off
6. Windows Defender Firewall (not recommended) option.
7. Click OK.
8. Open a new tab in the Mozilla Firefox browser.
9. Re-access the web page.
10. Verify whether the issue persists or not.

Follow the steps mentioned below to turn off the antivirus (temporarily):

Click Search, placed on the taskbar.

1. Type Windows Security and press Enter.
2. The Windows Security window will appear.
3. In the left pane, click the Virus & threat protection option.
4. In the right pane, under the Virus & threat protection settings section, click the Manage settings option.
5. Under the Real-time protection section, use the toggle switch to deactivate it.
6. The User Account Control window will appear.
7. In the User Account Control window, click Yes.
8. Open a new tab in the Mozilla Firefox browser.
9. Re-access the web page.
10. Verify whether the issue persists or not.

Method 4: Temporarily turn off VPN (Virtual Private Network) or Proxy (if in use)

“N” number of people use a proxy or VPN service to improve their – online privacy and security. But, sometimes these services might BLOCK secure connections, which may give rise to the error in discussion.

Hence, to fix the issue, temporarily turn off these settings and re-access the site.

Follow the steps mentioned below to deactivate the VPN (temporarily):

1. Click Search, placed on the taskbar.

2. Type VPN Settings and press Enter.

3. The Settings window will appear.

4. In the right pane, under the Advanced settings for all VPN connections section, perform these actions:

• Toggle off the radio button placed adjacent to the Allow VPN over metered connection.

• Toggle off the radio button placed adjacent to the Allow VPN over roaming connection.

5. Open a new tab in the Mozilla Firefox browser.

6. Re-access the web page.

7. Verify whether the issue persists or not.

Follow the steps mentioned below to deactivate the Proxy (temporarily):

1. Open a new tab in the Mozilla Firefox browser.
2. Click the Open application menu icon (three horizontal lines)
3. From the list, click Settings.
4. Scroll down.
5. Under the Network Settings section, click the Settings button.
6. The Connection Settings window will appear.
7. In the Connection Settings window, check the checkbox placed adjacent to the No proxy option.
8. Click OK.
9. Open a fresh tab in the Mozilla Firefox browser.
10. Re-access the web page.
11. Verify whether the issue persists or not.

Method 5: Disable Mozilla Firefox Extensions and Add-Ons (if in use)

Browser extensions can also cause the PR_CONNECTION_RESET error inFirefox. But, finding out which extension or add on is causing the warning message to pop up is quite challenging.

To pinpoint the exact extensions responsible for the problem, you can try removingeach extension individually. Once removed check whether the error persists or vanishes.

If the error vanishes after removing a specific extension, it signifies that the removed extension was the causing the issue. But it the error persists, try removing another extension. Once done, recheck again.

Follow the steps given below to remove extensions individually:

1. Open a fresh tab in Mozilla Firefox.
2. Click the three horizontal lines icon.
3. From the list, select Add-ons.
4. The Manage your Extension window will appear.
5. In the left pane, click Extensions.
6. Click on three vertical dots placed adjacent to any extension of your choice.
7. Click Remove.
8. Click Remove again.
9. Reload the website and verify whether the error exists or not.
10. If it does, repeat the process from the Step 2.

We hope you will get rid of this error after following these steps.