What is Dev-defense.com?

Dev-defense.com is both an ad site and an advertising software, so if you see this page from time to time, your system is infected. It usually infiltrates the system via freeware apps and is installed automatically if the user does not opt out of the optional Dev-defense.com. The adware’s main goal is to mislead you into subscribing to its push notifications so that it may overload your system with unwanted advertisements. Furthermore, by clicking “Allow,” you agree to the installation of third-party software, the majority of which are worthless and harmful. There is a considerable danger of picking up further infections such as viruses, Trojans, ransomware, and so on. As a result, if you see any of these signs, you must act quickly to take active steps to remove Dev-defense.com pop-ups from your device.

Recommended Anti-malware tools:

The easiest and most modern way of removing pop-ups, trojans, ransomware, or other viruses is to use automatic removal tools. See our Anti-malware tools below for further instructions.

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Step 1: Remove Dev-defense.com pop-up from browsers

Uninstall Dev-defense.com from Google Chrome:

  1. Open Google Chrome
  2. Push Alt + F.
  3. Click Tools.
  4. Choose Extensions.
  5. Find suspicious and unfamiliar extensions.
  6. Click the trash can icon to remove them.
  7. Push Alt + F.
  8. Select Settings.
  9. Type notifications into the search bar.
  10. Select Content settings.
  11. Select Notifications.
  12. Find Dev-defense.com in the Allow list.
  13. Click on three dots next to Dev-defense.com and select Remove.

Learn more about removing extensions from Chrome.

Remove Dev-defense.com from Mozilla Firefox:

  1. Open Firefox.
  2. Push Shift + Ctrl + A.
  3. Choose Dev-defense.com.
  4. Click Disable or Remove button.

Learn more about removing extensions from Firefox.

Remove Dev-defense.com from Microsoft Edge:

  1. Press Settings and more button
  2. Choose and Click on Extensions
  3. Find Dev-defense.com extension and click settings
  4. Press Uninstall button
  5. Start Edge again

Learn more about removing extensions from Edge.

Remove Dev-defense.com from Internet Explorer:

  1. Open IE.
  2. Push Alt + T.
  3. Click Manage Add-ons.
  4. Select Toolbars and Extensions.
  5. Click Disable Dev-defense.com.
  6. Click More information link in the left-bottom corner.
  7. Click Remove button.
  8. If this button is grayed out – perform alternative steps.

Learn more about removing extensions from IE.

Remove Dev-defense.com from Opera:

  1. Launch Opera and select Settings.
  2. Scroll down to the Privacy and security section and click Site Settings
  3. Go to Notifications to see the sites whose notification permissions you’ve already allowed or denied.
  4. Find Dev-defense.com and block it

Learn more about removing extensions from IE.

Remove Dev-defense.com pop-up from Chrome on Android:

  1. Open the Chrome app.
  2. To the right of the address bar, tap More.
  3. Choose and open Settings
  4. Tap Site settings and then find Dev-defense.com.
  5. Turn of Dev-defense.com pop-up from Allowed to Block.

Learn more about removing viruses from Android.

If you still got that problem, most likely there is a rogue application that causes Dev-defense.com pop-ups and redirects installed on your system. To finally get rid of Dev-defense.com adware, you should remove all recent suspicious programs that you are sure you didn’t install.

Step 2: Remove Dev-defense.com pop-up from system

Windows XP:

  1. Click Start.
  2. Control Panel.
  3. Then click Add or Remove Programs.
  4. Find the app.
  5. Click Uninstall.

Learn more about uninstallation of programs in Windows XP.

Windows 7/Windows Vista:

  1. Click Start.
  2. Then Control Panel.
  3. Click Uninstall a Program.
  4. Find the app and click Uninstall.

Learn more about uninstallation of programs in Windows 7.

Windows 8/Windows 8.1:

  1. Open the Menu.
  2. Click Search.
  3. After that click Apps.
  4. Then Control Panel.
  5. Then as in Windows 7, click Uninstall a Program under Programs.
  6. Find the app, select it and click Uninstall.

Learn more about uninstallation of programs in Windows 8 (8.1).

Windows 10:

  1. Click on the Start button (or press the Windows key) to open the Start menu, click on the Settings at the top.
  2. Click on Apps & features on the left menu.
  3. On the right side, locate the app and click it, then click on the Uninstall button.
  4. Click on Uninstall to confirm.

Learn more about uninstallation of programs in Windows 10

Note: If you can’t find required program, sort programs by date in Control panel and search for last installed programs.

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