Full Fix: Unable to Connect to Proxy Server in Windows 10, 8.1 and 7

By: Marian Cularea
7 minute read

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If you get the error message Unable to connect to proxy server in your Windows 8 or Windows 10 operating system then you will learn exactly what is the cause of this issue and also how to fix it in the shortest time possible only by following the lines below and in the order, they are presented.

The Unable to connect to the proxy server error in Windows 8 or Windows 10 can be caused by several reasons like installing a third party proxy program that might malfunction or perhaps your antivirus blocks your access to the proxy server but we will see exactly how to deal with this and prevent it from happening again.

Tutorial on how to fix Unable to connect to proxy server in Windows 8 or Windows 10

Unable to connect to proxy server error can prevent you from accessing the Internet, and speaking of proxy issues, users reported the following problems as well:

  • Cannot connect to proxy server Windows 10 – This is a relatively common problem on Windows 10, and if you experience this issue, you should be able to fix it using one of our solutions.
  • Can’t connect to the proxy server Microsoft Edge – This error can also appear while using Microsoft Edge. If you’re having this problem, be sure to reset your Internet settings to default and check if that helps.
  • Can’t connect to proxy server Windows 10 WiFi – Sometimes this error can occur if you’re trying to use a WiFi connection. If you’re having this problem, try switching to the Ethernet connection and check if that solves the issue.
  • Unable to connect to proxy server Chrome, RocketTab – This error can appear in Chrome and it’s often caused by RocketTab add-on. If you’re having this problem, reset Chrome to default and remove any suspicious applications and extensions.
  • Error proxy server connection failed – This is another common proxy error that can appear on your PC. If you encounter this issue, be sure to try some of our solutions.

Solution 1 – Reset Internet options

According to users, sometimes this error message can appear due to your Internet settings.  This can happen if  you manually change your settings, but sometimes other applications can make the changes without your knowledge. To fix the problem, you need to reset your settings to default by doing the following:

  1. Press Windows Key + S and enter internet options. Select Internet options from the menu.
    Can't connect to the proxy server Microsoft Edge
  2. When Internet Properties window opens, navigate to the Advanced tab. Now click the Reset button.
    Can't connect to proxy server Windows 10 WiFi
  3. Check Delete personal settings and click the Reset button.
    Unable to connect to proxy server Chrome

After doing that, your Internet settings will reset to default and the problem with the proxy server should be resolved.


Solution 2 – Disable proxy

If you’re getting Unable to connect to proxy server error message, you might want to try disabling your proxy. This is rather simple and you can do it by following these steps:

  1. Open Internet Options window.
  2. Go to Connections tab and click LAN Settings button.
    Unable to connect to proxy server Chrome
  3. Uncheck Use a proxy server for your LAN option and click on OK to save changes.
    Error proxy server connection failed

You can also disable proxy by doing the following:

  1. Press Windows Key + I to open the Settings app.
  2. When Settings app opens, go to Network & Internet section.
    Cannot connect to proxy server Windows 10
  3. Select Proxy from the menu on the left. In the right pane, be sure to turn off all options.
    Can't connect to the proxy server Microsoft Edge

Several users reported that this solution only works in Safe Mode, so be sure to enter Safe Mode and try this solution from there. Once you disable proxy, the issue should be completely resolved and you’ll be able to access the Internet without any issues.


Solution 3 – Scan your PC for malware

If you’re getting Unable to connect to proxy server message, the problem might be a malware infection. Certain malware can interfere with your Internet connection or change your proxy settings without your knowledge.

To fix that, you need to scan your PC for malware. If your current antivirus can’t find anything, you might want to try using a different antivirus application. If you want to keep your PC clean and safe from malware, we recommend you to try Bitdefender, BullGuard or Malwarebytes and use any of these tools to scan your PC.

After scanning and removing the malware from your PC, the issue should be completely resolved.


Solution 4 – Use ipconfig command

If you’re getting Unable to connect to proxy server error message, the problem might be related to your IP address. However, you can fix that problem simply by running a few commands in Command Prompt. To do that, just follow these steps:

  1. Start Command Prompt as administrator. To do that, just press Windows Key + X to open Win + X menu and choose Command Prompt (Admin). If Command Prompt isn’t available, you can also use PowerShell (Admin).
    Cannot connect to proxy server Windows 10
  2. When Command Prompt starts, run the following commands:
    • ipconfig /release
    • ipconfig /renew

After both commands are executed, close Command Prompt and check if the problem still appears. As you can see, this is a simple solution and many users reported that this solution worked for them, so feel free to try it out.


Solution 5 – Reset Chrome settings to default

Many users reported Unable to connect to proxy server error message while using Google Chrome. However, you can easily fix that simply resetting Chrome’s settings to default. Keep in mind that this process will disable all extensions and clear your cookies, so you’ll have to enable them manually. To reset Chrome, do the following:

  1. Start Chrome and click the Menu button in the top right corner. Choose Settings from the menu.
    Can't connect to proxy server Windows 10 WiFi
  2. When Settings tab opens, scroll all the way down and click on Advanced.
    Unable to connect to proxy server RocketTab
  3. Scroll all the way down to the Reset section and click on Reset.
    Error proxy server connection failed
  4. A confirmation dialog will now appear. Click the Reset button to confirm.
  5. Wait for a few moments while Chrome resets to default.

Once the reset process is finished, Chrome will use default settings and the problem should be resolved. If the issue is resolved, it’s rather likely that you have a malicious extension installed, so you should remove it from Chrome in order to prevent this error from appearing again.


Solution 6 – Remove any suspicious applications

Sometimes Unable to connect to proxy server error message can appear if you have a malicious application installed on your PC. Applications such as RocketTab can cause this error to appear, and if you have any unfamiliar applications installed on your PC, be sure to remove them and check if that solves the problem.

In order to fix this problem, it’s required that you completely uninstall the malicious application from your computer. This includes removing all associated files along with its registry entries. You can remove these files manually, but it’s a lot faster and straightforward to use an uninstaller software to do that.

Tools such as IObit Uninstaller (free), Ashampoo Uninstaller and Revo Uninstaller can easily remove any application along with its associated files and registry entries. If you have a malicious application that you need to remove, be sure to try one of these tools. All three applications have simple and friendly user interface, so you should be able to remove problematic applications without any problems.


Solution 7 – Modify your registry

Another way to fix Unable to connect to proxy server error is to modify your registry. To do that, you need to follow these steps:

  1. Press Windows Key + R to open Run dialog. Enter regedit and press Enter or click OK.
    Cannot connect to proxy server Windows 10
  2. When Registry Editor opens, in the left pane navigate to Computer\HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings key.
    Can't connect to the proxy server Microsoft Edge
  3. In the right pane, locate ProxyEnable and ProxyServer values and delete them. To do that, simply select the value, right click it and choose Delete. When the confirmation dialog appears, click on Yes.
    Can't connect to proxy server Windows 10 WiFi

After removing both these values from your registry, the issue should be resolved. If you don’t have both these values in your registry, this solution probably won’t work for you. Keep in mind that modifying your registry can be potentially dangerous, so be extra cautions. If you experience any issues after making these changes, be sure to revert them and recreate deleted values.

Is your internet connection working after you tried the methods above? If it is you can go on with your everyday activities and also if you have further issues please write us below in the comments section of the page and we will see what we can do to help you further with the issue.


Editor’s Note: This post was originally published in October 2014 and has been since completely revamped and updated for freshness, accuracy, and comprehensiveness.


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