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Remove “Microsoft Important Alert” pop-ups

Quick answer

What to do about “Microsoft Important Alert”

Short answer: “Microsoft Important Alert” is usually a browser pop-up, redirect, or notification-permission problem rather than a normal system message.

Start here: close the tab, do not press Allow, remove the site from browser notifications, and check recent extensions if it returns.

Need browser steps? Use our browser notification scam removal guide for Chrome, Edge, Firefox, Safari, and Android.



The “Microsoft Important Alert” pop-ups are a social engineering assault that places your internet browser on screen and show pop-up messages that won’t go away, essentially hacking your internet browser. These phony alert messages aim to fool you right into calling a suggested technological assistance hotline. If you call these fraudsters, they can provide fake solutions for your “issues” and request for payment in the form of an one-time fee or subscription to a purported assistance service.

These “Microsoft Important Alert” signals are absolutely nothing greater than a scam. Do not call the number in the pop-ups. Microsoft’s error and alerting messages never consist of a phone number.

Microsoft does not send unrequested e-mail messages or make unrequested telephone call to request personal or financial information or repair your Windows. Deal with all unrequested phone calls or pop-ups with apprehension. Do not provide any personal info.

Your web browser might be redirected to the websites that display the “Microsoft Important Alert” fake error messages either by harmful ads on the websites you go to or adware. When it comes via adware, these malicious programs are packed with other free software that you download of the Internet. Regrettably, some cost-free downloads do not adequately divulge that other software application will certainly additionally be installed and you may find that you have actually installed adware without understanding.

The “Microsoft Important Alert” fraud error messages is received such a method regarding trick the customer into assuming their computer has actually collapsed or that an infection has actually been found on the computer system. It does this to attempt and scare the infected user right into calling one of the listed phone number in order to get support. In truth, however, they will just be greeted with people that are attempting to offer them unneeded support assistance agreements and services.

The “Microsoft Important Alert” fake messages will certainly look like this:

What is Microsoft Important Alert?

The fraudster will normally try to obtain the target to permit remote accessibility to their computer system. After remote accessibility is obtained, the scammer depends on self-confidence tricks typically including utilities constructed right into Windows and also other software program in order to acquire the victim’s trust to spend for the expected “support” services, when the scammer in fact steals the target’s card account info.

Remove “Microsoft Important Alert” pop-ups automatically:

The easiest method to stop “Microsoft Important Alert” pop-ups is to run an anti-malware program capable of detecting adware in general. You may try GridinSoft Anti-Malware. It’s good at detecting and removing adware and other PUPs (potentially unwanted programs).


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Other software that may be able to get rid of Microsoft Important Alert:

You can also try to remove “Microsoft Important Alert” by hand using the following instructions.

Uninstall the suspicious programs from Windows

Go to Programs and Features, uninstall suspicious programs, programs you don’t remember installing, or programs you installed just before “Microsoft Important Alert” pop-ups appeared on your browser for the first time. When you are not sure if a program is safe, look for the answer on the Internet.

Windows 11:

  1. Right-click the Start button and select Installed apps.
  2. Sort apps by install date and look for suspicious programs.
  3. Click the three dots button next to the unwanted app and select Uninstall.
  4. Restart the PC.

Windows 10:

  1. Right-click the Start button and select Apps and Features.
  2. Sort apps by install date and look for suspicious programs.
  3. Select the unwanted app and click Uninstall.
  4. Restart Windows.

Reset the browser settings to remove “Microsoft Important Alert” pop-ups:

Remove suspicious browser extensions you do not recognize. You can also reset browser settings with GridinSoft Anti-Malware:

Remove “Microsoft Important Alert” pop-ups from Google Chrome:

  1. Click on three dots menu button three dots menu at the top right corner of the window.
  2. Select More toolsExtensions.
  3. Click REMOVE to uninstall an extension.
  4. Click Remove in the dialog box.

Remove “Microsoft Important Alert” pop-ups from Mozilla Firefox:

  1. Click on menu button Menu button and select Add-ons.
  2. Go to Extensions tab.
  3. To uninstall an add-on, click on Remove button next to it.

Remove "Microsoft Important Alert" pop-ups from Microsoft Edge:

  1. Open edge://extensions/ in the address bar.
  2. Turn off or remove extensions you do not recognize.
  3. Open edge://settings/content/notifications.
  4. Remove "Microsoft Important Alert" pop-ups and other suspicious sites from the Allow list.
  5. If redirects continue, open edge://settings/reset and use Restore settings to their default values.

Remove “Microsoft Important Alert” pop-ups from Opera:

  1. Press Ctrl +Shift + E keys to open extensions manager.
  2. To remove an add-on, click on the x button next to it.
  3. Click OK when asked to confirm.

Daniel Zimmermann

Daniel Zimmermann has been writing about adware, browser notification abuse, unwanted programs and practical Windows cleanup for many years. He focuses on clear removal steps for everyday users and keeps Adware Guru guides grounded in observable browser symptoms.

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