What is Critical-alert.info

Critical-alert.info is a malicious domain that forcibly pushes users into allowing fake push-notification pop-ups that subsequently impose intrusive advertisements right on the desktop. You can be redirected to Critical-alert.info either by inadvertently clicking on dubious ads or because of some unwanted application installed on your PC. Critical-alert.info can be presented as an intermediate page that can appear whilst crossing between suspicious websites. Once visited, it claims that you should click on the “Allow” button to continue browsing or access the intended website. Unfortunately, allowing push-notifications leads to intrusive ads popping up right on your screen and pushing highlighted banners that include redirects to potentially dangerous pages. Such infections are also supposed to stealthily gather personal data like passwords, IP-addresses, geolocations and other precious information that can be transferred to third-parties for making a profit. In case you are being redirected to Critical-alert.info from a specific website then this might not be a threat. However, if you are constantly experiencing this domain at the start of the browser, then you should follow the removal guide that we have prepared in the article below.

critical-alert.info notifications

How Critical-alert.info infected your computer

Adware is usually distributed via fake push-notification pop-ups or through the bundling methods. Bundling is known to be promoting unwanted applications, especially adware alongside legitimate software. Additional offers are usually hidden in repacks or other installation kits that are hosted by doubtful pages. Unfortunately, whilst the installation, oblivious users do not pay enough attention to “Advanced” or “Custom” sections that involve unwanted programs that are commonly checked as default. This, therefore, results in the setup of unwanted apps that leave users puzzled after realization. Luckily, tackling adware-type programs does not require a lot of exertion and can be easily removed from your computer by following the steps below.

  1. Download Critical-alert.info Removal Tool
  2. Stop Critical-alert.info notifications in browsers
  3. Remove/Uninstall Critical-alert.info from Control Panel and Applications
  4. Remove Critical-alert.info extensions from browsers
  5. Reset browser search and homepage settings
  6. Block Critical-alert.info search redirects
  7. How to protect from threats like Critical-alert.info

Download Removal Tool for Windows

Download Removal Tool

compatible with microsoft

To remove Critical-alert.info completely, we recommend you to use WiperSoft AntiSpyware from WiperSoft. It detects and removes all files, folders and registry keys of Critical-alert.info and several millions of other adware, hijackers, toolbars.

Download Removal Tool for Mac

Download Combo Cleaner

To remove Critical-alert.info completely, we recommend you to use Combo Cleaner. It can help you remove files, folders and registry keys of Critical-alert.info and uninstall hijackers, toolbars and unwanted add-ons from browsers.

Remove Critical-alert.info manually for free

Here is the manual step-by-step tutorial for full Critical-alert.info removal from your computer. This works 99% and was checked with the latest versions of the Critical-alert.info installer on operating systems with the latest updates and browser versions.

Disable push notifications from Critical-alert.info in browsers

Remove Critical-alert.info from websites, allowed to show push-notifications in Google Chrome

  1. Go to Google Chrome settings, by clicking 3-dots icon in the top-right corner and choosing Settings.
  2. Open advanced settings by clicking Advanced in the bottom.
  3. Under opened Privacy and security tab, choose Content settings.
  4. Click on Notifications menu (with the bell icon).
  5. Set up preferred overall settings for push notifications and click Manage exceptions… button.
  6. Find Critical-alert.info in the list and click cross icon to remove it. Click Done button to confirm the action.

Remove Critical-alert.info from websites, allowed to show push-notifications in Mozilla Firefox

  1. Go to Mozilla Firefox options, by clicking 3-bars icon in the top-right corner and choosing Options.
  2. Choose Content tab on the left side.
  3. Under Notifications, set up preferred overall settings for push-notifications and click Choose… button.
  4. Find Critical-alert.info in the list and click Remove site to remove it.
  5. Click Safe Changes button to confirm the action.

Remove Critical-alert.info from websites, allowed to show push-notifications in Safari

  1. Open Safari, and in the top menu click Safari, choose Preferences.
  2. In the Preferences window, click on Websites tab.
  3. On the left side, choose Notifications. You will see the list of websites and their settings for showing notifications.
  4. Find Critical-alert.info in the list and click Remove button.

Remove Critical-alert.info from websites, allowed to show push-notifications in Android (Chrome)

  1. Open Google Chrome app on Android, and tap on three dots to open main menu.
  2. In the drop-down menu choose Settings, scroll down and under Advanced section tap on Site Settings.
  3. In the Site Settings menu tap on Notifications.
  4. In the Allowed list of websites allowed to show notifications find Critical-alert.info, tap on it and in the bottom of the window tap on Clean & Reset button.
  5. Confirm your action by tapping on Clean & Reset again in opened dialog box.

Remove Critical-alert.info from websites, allowed to show push-notifications in Microsoft Edge

  1. Open Microsoft Edge, and click on the three-dots menu, in the top-right corner.
  2. In the drop-down menu choose Settings, and in the left part click Advanced.
  3. Under Website permissions section, click Manage permissions button.
  4. Find Critical-alert.info in the list and click on the cross sign to remove the setting and disable its notifications.

Remove Critical-alert.info from Control Panel or Applications

To start removing Critical-alert.info you should uninstall it using Control Panel. It can be present by different names – “Critical-alert.info”. It should uninstall correctly, however, we recommend you to use CleanMyPC to clean leftover items after uninstalling. Here are instructions for Windows XP, Windows 7, Windows 8, Windows 10 and Mac.

Remove Critical-alert.info from Mac:

  1. In the Finder sidebar, click Applications.
  2. Critical-alert.info might have an Uninstaller.
  3. Otherwise, drag Critical-alert.info from the Applications folder to the Trash (located at the end of the Dock).
  4. Then choose Finder > Empty Trash.

Remove Critical-alert.info from Windows XP:

  1. Click on Start button.
  2. Choose Control Panel.
  3. Click Add or Remove Programs.
  4. Find recently installed suspicious program.
  5. Click Uninstall.

Remove Critical-alert.info from Windows 7:

  1. Click Start button.
  2. Then go to Control Panel.
  3. Click Uninstall a Program.
  4. Find recently installed suspicious program and click Uninstall.

Remove Critical-alert.info from Windows 8:

  1. Hover mouse pointer to the bottom-right corner to see Menu.
  2. Click Search.
  3. After that click Apps.
  4. Then Control Panel.
  5. Click Uninstall a Program under Programs.
  6. Find recently installed suspicious program, click Uninstall.

Remove Critical-alert.info from Windows 10:

There are 2 ways to uninstall Critical-alert.info from Windows 10

Way one
  1. Click on the Start button.
  2. In opened menu choose Settings.
  3. Click on the System tile.
  4. Click Apps & features and locate recently installed suspicious program in the list.
  5. Click on it and then click Uninstall button near it.
Way two (classic)
  1. Right-click on the Start button.
  2. In opened menu choose Programs and Features.
  3. Locate recently installed suspicious program in the list.
  4. Click on it and then click Uninstall button above.

Cannot uninstall Critical-alert.info

In some cases, Critical-alert.info won’t uninstall and gives you a message that “You do not have sufficient access to uninstall Critical-alert.info. Please, contact your system administrator” when you try to remove it from Control Panel or “Access denied” error when removing the Critical-alert.info folder and files. This happens because the process or service does not allow you to do it. In this case, I will recommend you to use SpyHunter 5 or Malwarebytes AntiMalware or uninstall Critical-alert.info in Safe Mode. To boot in Safe Mode do the following:

  1. Reboot your computer.
  2. While it starts booting type F8 button.
  3. This will open Advanced Boot Options menu.
  4. Choose Safe Mode and wait until Windows loads.
  5. Go to Control Panel > Uninstall a program and remove recently installed suspicious program

>> See detailed instructions and video tutorial on how to boot in Safe Mode

and for Mac:

If you can’t uninstall Critical-alert.info using instructions above, or it keeps coming back, you can use free AppCleaner for Mac to remove all residual data and libraries of Critical-alert.info. Follow instructions below:

  1. Download free AppCleaner.
  2. Drag Critical-alert.info from Applications folder to AppCleaner window.
  3. Choose files and folders you want to remove along with Critical-alert.info.
  4. Click Delete button.

Remove malicious add-ons from your browsers

Uninstalling Critical-alert.info from Control Panel often does not bring the desired effect. It sometimes has browser extension and it may still be active in Safari, Google Chrome, and Mozilla Firefox. Here are instructions on how to remove Critical-alert.info related extension from your browsers manually.

Safari:

  1. Start Safari on your Mac, click Safari to open drop-down menu and choose Preferences
  2. Click Extensions tab.
  3. Find Critical-alert.info extension.
  4. Click Uninstall button to remove it.

Google Chrome:

  1. Start Google Chrome browser
  2. In address box type (or copy-paste) chrome://extensions/.
  3. Find Critical-alert.info related extension.
  4. Click the trash can icon to remove them.
  5. Also remove other suspicious extensions from the list.

Mozilla Firefox:

  1. Start Mozilla Firefox browser.
  2. In address box type (or copy-paste) about:addons.
  3. Choose Critical-alert.info related extension.
  4. Click Disable or Remove button.
  5. Remove all suspicious extensions from the list.

Internet Explorer (9, 10, 11):

Note: There is no feature to remove browser extensions from browser in latest version of Internet Explorer. To remove Critical-alert.info from Internet Explorer, please, perform instructions for uninstalling program from Control Panel. To disable Critical-alert.info, please, do the following:

  1. Open Internet Explorer.
  2. Click on gear/asterisk icon in the top-right corner.
  3. In opened menu Manage Add-ons.
  4. Select Toolbars and Extensions.
  5. Click Disable or Critical-alert.info related extension.
  6. Also disable other suspicious extensions from the list.

Opera Browser:

Generally, Critical-alert.info does not install in Opera browser however you can always double check. Do the following:

  1. Start Opera browser.
  2. Go to Tools > Extensions > Manage Extensions.
  3. Find Critical-alert.info extension.
  4. Click Uninstall button.
  5. Also remove other suspicious extensions from the list.

Reset browsers settings (homepage, default search)

Critical-alert.info installs a search engine that hijacks your browsers. Here is an instruction to reset your browser’s homepage, new tab and search engine to default values.

Reset Safari:

  1. Start Safari on your Mac, click Safari to open drop-down menu and choose Preferences
  2. Go to the Privacy section of Safari’s preferences.
  3. Click Remove All Website Data button.
  4. In opened window click Remove Now button to remove data stored by websites in Safari.
  5. Go to the Advanced section of Safari’s preferences.
  6. Click the Show Develop menu in menu bar option.
  7. In the menu click Develop and select Empty Caches from this menu.
  8. Again, go to Safari menu and choose Clear History….
  9. Choose to clear all history and click Clear History button.

Google Chrome:

  1. Start Google Chrome browser
  2. In address box type (or copy-paste) chrome://settings/.
  3. Scroll down and find Show advanced settings link.
  4. Click on it and scroll down to the bottom again.
  5. Click Reset browser settings button and click Reset to confirm.

Mozilla Firefox:

  1. Start Mozilla Firefox browser.
  2. In address box type (or copy-paste) about:support.
  3. Click Reset Firefox… button.
  4. Click Reset Firefox to confirm.

Internet Explorer (9, 10, 11):

  1. Start Internet Explorer.
  2. Click on gear/asterisk icon in the top-right corner.
  3. In opened menu choose Internet options.
  4. Click Advanced tab.
  5. Click Reset button.
  6. Choose Delete personal settings and click Reset.

Opera Browser:

  1. Close Opera and open command prompt from the start menu.
  2. Type following command del %AppData%\Opera\Opera\operaprefs.ini
  3. Start Opera.

How to block ads and pop-ups from Critical-alert.info

adguard pop-up blocker

Critical-alert.info push notifications, in most cases, are caused by a program installed on your PC or add-on installed in browsers. However, sometimes it can appear on a clean computer when visiting a malicious website, using an advertising script. Also, apps that generate “Critical-alert.info” ads and banners are themselves installed from pop-ups. To protect your PC and browsers from phishing websites, pop-up ads, banners, malicious scripts it is recommended to use AdGuard. Download free trial here:

Download AdGuard for Windows Download AdGuard for Mac

Final tips

Be careful surfing the internet and downloading software, as programs, like Critical-alert.info, may become a real headache as they are hard to remove and break your privacy. To keep safe from such threats we recommend you always use antivirus and one of the anti-malware programs available on the market. One of the best anti-spyware and anti-malware programs is SpyHunter 5. It can protect your PC from threats, like Critical-alert.info.