What is Cpa-optimizer.best?

Cpa-optimizer.best is an ad-supported domain that can appear on your PC or smartphone asking users to subscribe to its notifications. Bear in mind that any interaction with that pop-up automatically agrees to commercial content from this and partner sites. These pop-ups often contain unwanted content that might redirect users to potentially dangerous websites. Therefore, adware not only causes more frustration with annoying ads and slowness of the machine in general but also can put your system at risk. You may use our step-by-step guide to remove Cpa-optimizer.best pop-ups and notifications from your device.

Recommended Anti-malware tools:

The easiest and 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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MacOS versions

Step 1: Remove Cpa-optimizer.best pop-up from browsers

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 Cpa-optimizer.best in the Allow list.
  13. Click on three dots next to Cpa-optimizer.best and select Remove.

Learn more about removing extensions from Chrome.

Remove Cpa-optimizer.best pop-up from Chrome on Android:

Google Chrome:

  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 Cpa-optimizer.best.
  5. Turn of Cpa-optimizer.best pop-up from Allowed to Block.

Learn more about removing viruses from Android.

Remove Cpa-optimizer.best from Mozilla Firefox:

  1. Open Firefox.
  2. Push Shift + Ctrl + A.
  3. Choose Cpa-optimizer.best.
  4. Click Disable or Remove button.

Learn more about removing extensions from Firefox.

Remove Cpa-optimizer.best from Microsoft Edge:

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

Learn more about removing extensions from Edge.

Remove Cpa-optimizer.best from Internet Explorer:

  1. Open IE.
  2. Push Alt + T.
  3. Click Manage Add-ons.
  4. Select Toolbars and Extensions.
  5. Click Disable Cpa-optimizer.best.
  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 Cpa-optimizer.best 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 Cpa-optimizer.best and block it

Learn more about removing extensions from IE.


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

Step 2: Remove Cpa-optimizer.best 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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