The following are the most likely culprit to the issue:

Bad internet connection.ISP censorshipMalware/virus infection.Incorrect date and time on computer.Multiple instances of the Tor application running.

TOR browser not opening or working in Windows 11

If you’re faced with this issue of TOR browser not opening or working in Windows 11/10, you can try our recommended solutions below in no particular order and see if that helps to resolve the issue. Let’s take a look at the description of the process involved concerning each of the listed solutions. Before you proceed with the solutions below, you need to make sure your Windows computer’s clock is set to correct date and time. Also, only one instance of TOR can run at a time so check if TOR is already running in Task Manager. If unsure, you can simply reboot the computer. And if your system just woke up from hibernation or sleep mode, relaunch TOR browser or reboot computer.

1] Assign Full Control permission to TOR browser folder

You may receive the following error message after you have installed TOR and try to launch the browser; In this case, you can resolve this by assigning Full Control permission to the TOR browser folder, and then relaunch the browser. By default, TOR is installed at the following location on your local drive: If this didn’t work for you, try the next solution.

2] Disable security software

The security software (most especially from third-party vendors) running on your Windows PC might be flagging TOR browser wrongly, blocking it from opening or working correctly. If that’s the case, you will need to whitelist TOR, or disable your security software. You can temporarily disable Microsoft Defender, if that’s the security software you are running on your system. Also make sure TOR is allowed through Windows Firewall. If you have a third-party security software installed, disabling the program largely depends on the security software – refer to the instruction manual. Generally, to disable your antivirus software, locate its icon in the notification area or system tray on the taskbar (usually in the lower right corner of the desktop). Right-click the icon and choose the option to disable or exit the program.

3] Check internet connection

This solution requires you make sure you’re not having any internet connectivity issues on your Windows 11/10 computer. You can also try restarting your internet device (modem/router) and see if that helps.

4] Obtain new IP address

The TOR browser is designed to work in a very distinct way by assigning a new IP address different from the one assigned to your computer by your Internet Service Provider. If there is a problem with the IP address, you may experience this issues. In this case, you can head over to TOR project site at check.torproject.org to see what IP you  have been currently assigned. At the site, to obtain a new IP address, simply click on the wand on your browser.

5] Kill Firefox process

The TOR browser has Firefox DNA. So, in this case, you may have to kill Firefox process before TOR can run on your Windows 11/10 computer. Also, you can restart File Explorer process as well.

6] Delete parent.lock file

To delete the parent.lock file on your Windows PC, do the following:

Press Windows key + E to open File Explorer.Navigate to the location below:

At the location, scroll and locate the parent.lock file.Select the file and tap DELETE key on your keyboard. Alternatively, you can right-click the file and select Delete from the context menu.Exit File Explorer.

See if the TOR browser issue at hand is fixed. If not, try the next solution.

7] Uninstall and reinstall TOR browser

This solution requires you to uninstall or remove the TOR browser as follows:

Locate your Tor Browser folder or application.The default location is the Desktop.Delete the Tor Browser folder or application.Empty your Trash.

That’s it! TOR is uninstalled! No need to use the Control Panel in this case. Now reboot PC, and then download and reinstall the latest version of the browser on your Windows 11/10 PC.

8] Use another Privacy browser

This is more of a workaround than a solution. This entails that you use another privacy browser.

9] Contact your ISP

There’s possibility that your ISP might have blocked TOR browser – ISPs collect data and monitor traffic in and out of your Windows system for various reasons. and TOR browser due to its privacy settings usually blocks this traffic. In this case, you can contact your ISP to be sure TOR isn’t blocked for you.

10] Contact TOR Support Team

If your ISP hasn’t blocked TOR and you have also exhausted all other options, but the issue persists, you can find your TOR log, copy and paste the logs in Notepad, so that you can go through and analyze the log results yourself or send it to the TOR Support Team to help in diagnosing the issue and possibly proffering a fix. To view TOR Logs, do the following

Open TOR browser.Click on the hamburger menu (three vertical lines) at the top right corner of the browser.Select Options.Click Tor on the left navigation pane.On the right pane, scroll down and click View Logs.Click on the Copy Tor Log to Clipboard.Now, open Notepad and paste the content in the Text Editor.

You can now sift though the data to figure out what issue the browser is having.

Does TOR Browser work on Windows 10?

Yes, the TOR browser works on Windows 11/10. As a matter of fact, the most current incarnation of the browser, which is version 10.4.6, is compatible with even earlier versions of Windows. You should note that the configuration process is almost exactly the same across Windows operating systems – so, you can still run older versions of the browser on your system without any hitches.

How do I fix TOR unexpectedly exited?

If you get the error message stating that TOR unexpectedly exited, it’s most likely due to a bug present in the TOR browser itself, another program on your system, or faulty hardware. To quickly fix this issue, you can restart the browser. If the problem persists, you can send a copy of your TOR Log to the support team, and hopefully, get the issue resolved. Hope any of these solution works for you! Related post: Brave browser not opening or working on Windows.