How to remove Microsoft Warning Alert virus [Removal guide]

The Microsoft Warning Alert virus is the part of the software that is used as an online promotional tool. It’s designed with the sole purpose to show dozens of popup advertisements, and thus to promote the goods and services in an open internet browser window. It’s designed to fill the browser’s constant stream of ads, or redirect the web-browser to not expected and intrusive advertising web pages. Moreover, the Microsoft Warning Alert virus can substitute the legitimate advertising links on misleading or even banners that can offer to visit malicious sites.

The Microsoft Warning Alert virus can modify all internet browser shortcuts which located on your Desktop to force you visit various undesired ad web-sites. As a result, your browser can still reroute you to an intrusive ad web site despite your PC system is actually clean of adware virus and other malware.

The guide below explaining steps to remove Microsoft Warning Alert virus problem. Feel free to use it for removal of the virus that may attack Chrome, Firefox, MS Edge and Microsoft Internet Explorer and other popular web browsers. The step by step guidance will help you delete adware and thereby clean your web browser from all malicious Microsoft Warning Alert advertisements.

Remove Microsoft Warning Alert virus

There are a simple manual guide below which will assist you to get rid of Microsoft Warning Alert from your MS Windows computer. The most effective way to get rid of this virus is to perform the manual removal instructions and then run Zemana Free, MalwareBytes Anti-Malware or AdwCleaner automatic tools (all are free). The manual solution will help to weaken this adware virus and these malicious software removal utilities will completely delete Microsoft Warning Alert adware and revert back the Mozilla Firefox, Chrome, IE and MS Edge settings to default.

Delete Microsoft Warning Alert virus without any utilities

Most common adware may be deleted without any antivirus programs. The manual adware removal is steps that will teach you how to delete the Microsoft Warning Alert adware.

Uninstall Microsoft Warning Alert related software through the Control Panel of your computer

The process of adware removal is generally the same across all versions of Windows OS from 10 to XP. To start with, it is necessary to check the list of installed programs on your PC system and uninstall all unused, unknown and suspicious applications.

Carefully browse through the list of installed software and delete all programs which has the name like “Microsoft Warning”. We suggest to click ‘Installed programs’ and even sorts all installed software by date. When you have found anything suspicious that may be the virus, adware or PUPs, then choose this program and click ‘Uninstall’ in the upper part of the window. If the suspicious program blocked from removal, then run Revo Uninstaller Freeware to fully remove it from your PC.

Remove Microsoft Warning Alert adware from Mozilla Firefox

If the Firefox settings like homepage, new tab and search provider by default have been changed by the adware, then resetting it to the default state can help.

Run the Firefox and press the menu button (it looks like three stacked lines) at the top right of the browser screen. Next, press the question-mark icon at the bottom of the drop-down menu. It will display the slide-out menu.

Select the “Troubleshooting information”. If you’re unable to access the Help menu, then type “about:support” in your address bar and press Enter. It bring up the “Troubleshooting Information” page as displayed on the image below.

Click the “Refresh Firefox” button at the top right of the Troubleshooting Information page. Select “Refresh Firefox” in the confirmation prompt. The Firefox will start a procedure to fix your problems that caused by the Microsoft Warning Alert virus that causes multiple undesired advertisements and pop ups. When, it’s complete, click the “Finish” button.

Remove Microsoft Warning Alert from Microsoft Internet Explorer

By resetting Internet Explorer web browser you return your web-browser settings to its default state. This is first when troubleshooting problems that might have been caused by Microsoft Warning Alert virus that causes unwanted pop-up advertisements.

First, run the Microsoft Internet Explorer. Next, press the button in the form of gear (). It will display the Tools drop-down menu, click the “Internet Options” like below.

In the “Internet Options” window click on the Advanced tab, then click the Reset button. The Internet Explorer will display the “Reset Internet Explorer settings” window as shown on the image below. Select the “Delete personal settings” check box, then click “Reset” button.

You will now need to restart your system for the changes to take effect.

Remove Microsoft Warning Alert adware from Google Chrome

If your Google Chrome web browser is redirected to unwanted Microsoft Warning Alert web-page, it may be necessary to completely reset your internet browser program to its default settings.

Open the Google Chrome menu by clicking on the button in the form of three horizontal stripes (). It will display the drop-down menu. Next, click to “Settings” option.

Scroll down to the bottom of the page and click on the “Show advanced settings” link. Now scroll down until the Reset settings section is visible, as on the image below and press the “Reset settings” button.

Confirm your action, click the “Reset” button.

Get rid of unwanted Scheduled Tasks

If the undesired Microsoft Warning Alert web site opens automatically on Windows startup or at equal time intervals, then you need to check the Task Scheduler Library and remove all the tasks which have been created by ‘ad-supported’ program.

Press Windows and R keys on the keyboard at the same time. This displays a dialog box that titled with Run. In the text field, type “taskschd.msc” (without the quotes) and press OK. Task Scheduler window opens. In the left-hand side, click “Task Scheduler Library”, as displayed on the image below.

In the middle part you will see a list of installed tasks. Please select the first task, its properties will be show just below automatically. Next, press the Actions tab. Pay attention to that it launches on your system. Found something like “explorer.exe http://site.address” or “chrome.exe http://site.address”, then remove this harmful task. If you are not sure that executes the task, check it through a search engine. If it is a component of the malicious program, then this task also should be removed.

Having defined the task that you want to remove, then press on it with the right mouse button and choose Delete like below.

Repeat this step, if you have found a few tasks which have been created by malicious program. Once is finished, close the Task Scheduler window.

Disinfect the internet browser’s shortcuts to remove Microsoft Warning Alert

After installed, the Microsoft Warning Alert virus may add an argument such as “http://site.address” into the Target property of the desktop shortcut for the Chrome, Firefox, IE and Edge. Due to this, every time you open the web-browser, it will display an undesired ad site.

Right click on the shortcut of infected browser as on the image below.

Select the “Properties” option and it’ll show a shortcut’s properties. Next, click the “Shortcut” tab and then delete the “http://site.address” string from Target field like below.

Then press OK to save changes. Repeat the step for all web-browsers which are redirected to the Microsoft Warning Alert misleading page.

Microsoft Warning Alert virus automatic removal

Use malicious software removal utilities to remove Microsoft Warning Alert adware virus automatically. The free programs utilities specially created for browser hijackers, ‘ad supported’ software and other potentially unwanted software removal. These tools can delete most of adware from Chrome, Internet Explorer, Firefox and Edge. Moreover, it can remove all components of ad-supported software from Windows registry and system drives.

How to delete Microsoft Warning Alert virus with Zemana Anti-malware

You can get rid of Microsoft Warning Alert adware automatically with a help of Zemana Anti-malware. We recommend this malicious software removal tool because it can easily remove hijackers, PUPs, ‘ad supported’ software which redirects your web-browser to Microsoft Warning Alert site with all their components such as folders, files and registry entries.

1. Please download Zemana Anti Malware (ZAM) from the link below. Save it on your MS Windows desktop.
   
   

   Zemana AntiMalware
   164033 downloads
   Author: Zemana Ltd
   Category: Security tools
   Update: July 16, 2019
   
2. At the download page, click on the Download button. Your web-browser will show the “Save as” dialog box. Please save it onto your Windows desktop.
3. Once the downloading process is finished, please close all software and open windows on your machine. Next, start a file named Zemana.AntiMalware.Setup.
4. This will launch the “Setup wizard” of Zemana Anti Malware onto your computer. Follow the prompts and don’t make any changes to default settings.
5. When the Setup wizard has finished installing, the Zemana will launch and display the main window.
6. Further, click the “Scan” button to perform a system scan for the Microsoft Warning Alert adware virus that causes web-browsers to show intrusive popup advertisements. A scan can take anywhere from 10 to 30 minutes, depending on the number of files on your computer and the speed of your computer. During the scan Zemana Free will detect all threats present on your PC.
7. When that process is done, Zemana Anti Malware will open a list of found items.
8. Review the report and then press the “Next” button. The utility will get rid of Microsoft Warning Alert virus that causes intrusive pop-up advertisements. When the procedure is finished, you may be prompted to reboot the personal computer.
9. Close the Zemana and continue with the next step.

How to remove Microsoft Warning Alert with Malwarebytes

You can delete Microsoft Warning Alert adware virus automatically with a help of Malwarebytes Free. We suggest this free malware removal tool because it can easily delete hijackers, adware, potentially unwanted software and toolbars with all their components such as files, folders and registry entries.

Download MalwareBytes Free on your computer from the link below.

When downloading is done, close all programs and windows on your computer. Open a directory in which you saved it. Double-click on the icon that’s called mb3-setup as shown on the image below.

When the install starts, you will see the “Setup wizard” that will help you install Malwarebytes on your PC system.

Once install is finished, you’ll see window as on the image below.

Now click the “Scan Now” button for scanning your computer for the Microsoft Warning Alert adware virus which causes undesired pop ups. Depending on your computer, the scan can take anywhere from a few minutes to close to an hour. During the scan MalwareBytes Free will detect all threats exist on your PC.

After MalwareBytes has completed scanning, you will be displayed the list of all found items on your PC. In order to get rid of all threats, simply press “Quarantine Selected” button.

The Malwarebytes will now start to get rid of Microsoft Warning Alert virus which causes undesired advertisements. After that process is done, you may be prompted to reboot your machine.

The following video explains guidance on how to delete browser hijacker, adware and other malicious software with MalwareBytes Anti-Malware.

Double-check for potentially unwanted applications with AdwCleaner

AdwCleaner is a free removal tool which can check your PC for a wide range of security threats such as malicious software, adware viruss, potentially unwanted programs as well as Microsoft Warning Alert adware that causes multiple intrusive ads and pop ups. It will perform a deep scan of your PC system including hard drives and Windows registry. Once a malicious software is found, it will help you to get rid of all detected threats from your machine with a simple click.

Download AdwCleaner from the link below and save it directly to your Windows Desktop.

Once downloading is finished, open the directory in which you saved it. You will see an icon like below.

Double click the AdwCleaner desktop icon. After the tool is started, you will see a screen as displayed in the following example.

Further, press “Scan” button for checking your PC system for the Microsoft Warning Alert virus which created to redirect your browser to various ad web-pages. This procedure may take some time, so please be patient. After that process is finished, AdwCleaner will display a screen which contains a list of malware that has been detected as displayed below.

You may move threats to Quarantine (all selected by default) by simply click “Clean” button. It will open a dialog box like below.

You need to click “OK”. Once the cleaning procedure is done, the AdwCleaner may ask you to restart your personal computer. When your system is started, you will see an AdwCleaner log.

These steps are shown in detail in the following video guide.

Use AdBlocker to block Microsoft Warning Alert and stay safe online

It’s important to use adblocker applications like AdGuard to protect your personal computer from malicious web sites. Most security experts says that it is okay to block advertisements. You should do so just to stay safe! And, of course, the AdGuard may to block Microsoft Warning Alert and other annoying web-pages.

Download AdGuard application by clicking on the following link and save it to your Desktop.

After the downloading process is finished, start the downloaded file. You will see the “Setup Wizard” screen as shown in the figure below.

Follow the prompts. Once the setup is finished, you will see a window as shown below.

You can click “Skip” to close the install program and use the default settings, or click “Get Started” button to see an quick tutorial that will assist you get to know AdGuard better.

In most cases, the default settings are enough and you don’t need to change anything. Each time, when you launch your machine, AdGuard will start automatically and stop advertisements, “Microsoft Warning Alert” misleading ads, as well as other harmful or misleading web pages. For an overview of all the features of the program, or to change its settings you can simply double-click on the AdGuard icon, which can be found on your desktop.

How did Microsoft Warning Alert adware get on your PC system

Most of intrusive pop ups like Microsoft Warning Alert ads come from web browser toolbars, web-browser extensions, BHOs (browser helper objects) and third-party programs. In many cases, these items claim itself as programs which improve your experience on the Internet by providing a fast and interactive start page or a search engine that does not track you. Remember, how to avoid the unwanted software. Be cautious, start only reputable programs which download from reputable sources. NEVER install any unknown and suspicious programs.

Finish words

Once you’ve done the guide above, your system should be clean from this virus and other malware. The Chrome, Firefox, Microsoft Internet Explorer and MS Edge will no longer display Microsoft Warning Alert malicious ads when you surf the Net. Unfortunately, if the step-by-step guidance does not help you, then you have caught a new virus, and then the best way – ask for help.

Please start a new thread by using the “New Topic” button in the Spyware Removal forum. When posting your HJT log, try to give us some details about your problems, so we can try to help you more accurately. Wait for one of our trained “Security Team” or Site Administrator to provide you with knowledgeable assistance tailored to your problem with the annoying Microsoft Warning Alert adware virus.