How to remove Microsoft.com.cdn.pcsafer4.win pop-ups [Chrome, Firefox, IE, Edge]

The Microsoft.com.cdn.pcsafer4.win is an unwanted site that can be used to show misleading advertisements or redirect the IE, Edge, Mozilla Firefox and Chrome to other undesired web-pages. If your internet browser started opening the Microsoft.com.cdn.pcsafer4.win web-page, then you need to know that the undesired software from the adware (also known as ‘ad-supported’ software) family get installed on your machine. In many cases, the unwanted program installs on the computer in a bundle with free applications that you downloaded and installed from the World Wide Web. Once it gets inside your computer, it will modify some machine’s settings including start page, search provider and newtab page in order to reroute your’s web-browser to ad web pages or show a lot of annoying pop-ups from various third-party ad networks.

What is more, the ‘ad supported’ software which reroutes your browser to undesired Microsoft.com.cdn.pcsafer4.win web-page, may open ads depend on a web site that you are visiting. That is, it is clear that this ad-supported software, without your permission, steals confidential information about you such as: your ip address, what is a page you are viewing now, what you are looking for on the World Wide Web, which links you are clicking, and much, much more. The worst is, the ad-supported software may monetize its functionality by gathering confidential info from your surfing sessions. This personal info, afterwards, can be easily transferred third party companies. This puts your confidential info at a security risk.

Most often, the ‘ad supported’ software infects the most common internet browsers like the FF, Edge, Internet Explorer and Chrome. But such the harmful software as well may infect another browsers by modifying its shortcuts (adding an argument like ‘http://site.address’ into Target field of a internet browser’s shortcut). So every time you start the web-browser, it will redirect to the unwanted Microsoft.com.cdn.pcsafer4.win web-site. Even if you setup a new home page, an intrusive web-site will be the first thing you see when you launch the Microsoft Edge, Google Chrome, Firefox and IE.

Instructions which is shown below, will help you to clean your personal computer from the ad-supported software as well as delete Microsoft.com.cdn.pcsafer4.win unwanted popup from the Firefox, Chrome, IE and Microsoft Edge and other web-browsers.

Remove Microsoft.com.cdn.pcsafer4.win pop ups (removal steps)

There are a simple manual guide below that will assist you to get rid of Microsoft.com.cdn.pcsafer4.win pop ups from your Microsoft Windows computer. The most effective method to remove this ad-supported software is to complete the manual removal guidance and then run Zemana, MalwareBytes AntiMalware (MBAM) or AdwCleaner automatic tools (all are free). The manual method will assist to weaken this adware and these malicious software removal utilities will completely remove Microsoft.com.cdn.pcsafer4.win redirect and return the Google Chrome, Internet Explorer, Firefox and Microsoft Edge settings to default.

If you are using an Apple computer running Mac OS, then use the following guide How to remove browser hijacker, pop-ups, ads from Mac

To remove Microsoft.com.cdn.pcsafer4.win, perform the following steps:

Manual Microsoft.com.cdn.pcsafer4.win pop up removal
How to remove Microsoft.com.cdn.pcsafer4.win pop-up with free applications
How to block Microsoft.com.cdn.pcsafer4.win popups
Do not know how your web-browser has been hijacked by Microsoft.com.cdn.pcsafer4.win pop ups?
To sum up

Manual Microsoft.com.cdn.pcsafer4.win pop up removal

The step by step tutorial will help you remove Microsoft.com.cdn.pcsafer4.win popup. These Microsoft.com.cdn.pcsafer4.win removal steps work for the MS Edge, IE, Mozilla Firefox and Google Chrome, as well as every version of MS Windows operating system.

Removing the Microsoft.com.cdn.pcsafer4.win, check the list of installed programs first

First method for manual adware removal is to go into the Windows “Control Panel”, then “Uninstall a program” console. Take a look at the list of programs on your computer and see if there are any dubious and unknown apps. If you see any, you need to remove them. Of course, before doing so, you can do an Internet search to find details on the program. If it is a potentially unwanted program, ‘ad supported’ software or malicious software, you will likely find information that says so.

Make sure you have closed all web browsers and other apps. Press CTRL, ALT, DEL keys together to open the Windows Task Manager.

Click on the “Processes” tab, look for something questionable that is the adware that cause annoying Microsoft.com.cdn.pcsafer4.win popup to appear then right-click it and select “End Task” or “End Process” option. In many cases, malware masks itself to avoid detection by imitating legitimate Microsoft Windows processes. A process is particularly suspicious: it’s taking up a lot of memory (despite the fact that you closed all of your programs), its name is not familiar to you (if you are in doubt, you can always check the application by doing a search for its name in Google, Yahoo or Bing).

Next, remove any unknown and suspicious software from your Control panel.

Windows 10, 8.1, 8

Now, press the Windows button, type “Control panel” in search and press Enter. Select “Programs and Features”, then “Uninstall a program”.

Look around the entire list of applications installed on your machine. Most probably, one of them is the adware that responsible for browser redirect to the undesired Microsoft.com.cdn.pcsafer4.win web site. Select the dubious program or the application that name is not familiar to you and delete it.

Windows Vista, 7

From the “Start” menu in Windows, choose “Control Panel”. Under the “Programs” icon, choose “Uninstall a program”.

Select the questionable or any unknown apps, then click “Uninstall/Change” button to uninstall this undesired application from your PC.

Windows XP

Click the “Start” button, select “Control Panel” option. Click on “Add/Remove Programs”.

Select an unwanted program, then press “Change/Remove” button. Follow the prompts.

Clean up the browsers shortcuts that have been infected by ‘ad supported’ software

Now you need to clean up the web browser shortcuts. Check that the shortcut referring to the right exe-file of the web browser, and not on any unknown file.

Right click on the internet browser’s shortcut file, click Properties option. On the Shortcut tab, locate the Target field. Click inside, you will see a vertical line – arrow pointer, move it (using -> arrow key on your keyboard) to the right as possible. You will see a text “http://site.address” that has been added here. Remove everything after .exe. An example, for Google Chrome you should remove everything after chrome.exe.

To save changes, press OK . You need to clean all browser’s shortcut files. So, repeat this step for the Internet Explorer, MS Edge, Chrome and Firefox.

Get rid of unwanted Scheduled Tasks

If the unwanted Microsoft.com.cdn.pcsafer4.win 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 that have been created by ‘ad-supported’ applications.

Press Windows and R keys on your keyboard at the same time. It will display a prompt 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”, like below.

Task scheduler, list of tasks

In the middle part you will see a list of installed tasks. Select the first task, its properties will be open just below automatically. Next, click the Actions tab. Necessary to look at the text which is written under Details. Found something like “explorer.exe http://site.address” or “chrome.exe http://site.address” or “firefox.exe http://site.address”, then you need get rid of this task. If you are not sure that executes the task, then google it. If it’s a component of the ‘ad-supported’ apps, then this task also should be removed.

Further press on it with the right mouse button and select Delete as shown in the figure below.

Task scheduler, delete a task

Repeat this step, if you have found a few tasks that have been created by ‘ad-supported’ program. Once is finished, close the Task Scheduler window.

Remove Microsoft.com.cdn.pcsafer4.win pop-ups from Chrome

Use the Reset web browser tool of the Chrome to reset all its settings like startpage, default search engine and newtab to original defaults. This is a very useful utility to use, in the case of web-browser redirects to unwanted ad web-sites like Microsoft.com.cdn.pcsafer4.win.

First run the Chrome. Next, press the button in the form of three horizontal dots ().

It will show the Chrome menu. Select More Tools, then click Extensions. Carefully browse through the list of installed add-ons. If the list has the plugin signed with “Installed by enterprise policy” or “Installed by your administrator”, then complete the following instructions: Remove Google Chrome extensions installed by enterprise policy.

Open the Google Chrome menu once again. Further, click the option called “Settings”.

The web browser will open the settings screen. Another way to show the Google Chrome’s settings – type chrome://settings in the web-browser adress bar and press Enter

Scroll down to the bottom of the page and click the “Advanced” link. Now scroll down until the “Reset” section is visible, as shown in the figure below and press the “Reset settings to their original defaults” button.

The Chrome will open the confirmation prompt as shown on the image below.

You need to confirm your action, click the “Reset” button. The web browser will start the task of cleaning. After it is done, the web browser’s settings including new tab, homepage and default search provider back to the values that have been when the Google Chrome was first installed on your computer.

Remove Microsoft.com.cdn.pcsafer4.win from Firefox by resetting web-browser settings

Resetting your Mozilla Firefox is first troubleshooting step for any issues with your web browser program, including the redirect to Microsoft.com.cdn.pcsafer4.win web-site.

First, open the Mozilla Firefox and click button. It will display the drop-down menu on the right-part of the internet browser. Further, click the Help button () as shown below

In the Help menu, select the “Troubleshooting Information” option. Another way to open the “Troubleshooting Information” screen – type “about:support” in the internet browser adress bar and press Enter. It will open the “Troubleshooting Information” page as shown in the figure below. In the upper-right corner of this screen, click the “Refresh Firefox” button.

It will show the confirmation prompt. Further, click the “Refresh Firefox” button. The FF will begin a task to fix your problems that caused by the adware that causes lots of intrusive Microsoft.com.cdn.pcsafer4.win pop up. After, it is finished, click the “Finish” button.

Remove Microsoft.com.cdn.pcsafer4.win redirect from Microsoft Internet Explorer

If you find that Internet Explorer web-browser settings like start page, default search engine and newtab page having been modified by adware responsible for Microsoft.com.cdn.pcsafer4.win redirect, then you may revert back your settings, via the reset web browser procedure.

First, open the Internet Explorer, press ) button. Next, click “Internet Options” as shown in the figure below.

In the “Internet Options” screen select the Advanced tab. Next, click Reset button. The IE will open the Reset Internet Explorer settings dialog box. Select the “Delete personal settings” check box and press Reset button.

You will now need to restart your PC system for the changes to take effect. It will remove adware that responsible for web browser redirect to the annoying Microsoft.com.cdn.pcsafer4.win page, disable malicious and ad-supported web browser’s extensions and restore the Internet Explorer’s settings such as search engine, newtab and startpage to default state.

How to remove Microsoft.com.cdn.pcsafer4.win pop-up with free applications

Manual removal is not always as effective as you might think. Often, even the most experienced users may not completely delete adware which cause unwanted Microsoft.com.cdn.pcsafer4.win popups to appear. So, we advise to check your system for any remaining malicious components with free adware removal software below.

Scan and clean your web-browser of Microsoft.com.cdn.pcsafer4.win pop-ups with Zemana Anti-malware

You can remove Microsoft.com.cdn.pcsafer4.win pop-ups automatically with a help of Zemana Anti-malware. We recommend this malware removal tool because it can easily remove browser hijackers, potentially unwanted software, adware that redirects your browser to Microsoft.com.cdn.pcsafer4.win page with all their components such as folders, files and registry entries.

Please go to the following link to download Zemana Free. Save it on your Windows desktop.

Zemana AntiMalware
164032 downloads
Author: Zemana Ltd
Category: Security tools
Update: July 16, 2019

When the downloading process is finished, close all software and windows on your machine. Open a directory in which you saved it. Double-click on the icon that’s named Zemana.AntiMalware.Setup as displayed on the image below.

When the installation starts, you will see the “Setup wizard” which will help you install Zemana on your system.

Once installation is finished, you will see window as displayed below.

Now click the “Scan” button to perform a system scan with this utility for the adware responsible for redirecting your web browser to Microsoft.com.cdn.pcsafer4.win site. A system scan may take anywhere from 5 to 30 minutes, depending on your computer. While the utility is checking, you may see how many objects and files has already scanned.

After the scan get completed, you can check all items detected on your machine. Next, you need to click “Next” button.

The Zemana will remove ad-supported software responsible for redirecting your web browser to Microsoft.com.cdn.pcsafer4.win web site.

Automatically delete Microsoft.com.cdn.pcsafer4.win popups with Malwarebytes

We suggest using the Malwarebytes Free that are completely clean your computer of the adware. The free utility is an advanced malicious software removal program developed by (c) Malwarebytes lab. This program uses the world’s most popular antimalware technology. It is able to help you remove undesired Microsoft.com.cdn.pcsafer4.win pop-ups from your web browsers, PUPs, malware, hijacker infections, toolbars, ransomware and other security threats from your computer for free.

Please go to the following link to download the latest version of MalwareBytes for Windows. Save it on your Windows desktop or in any other place.

Malwarebytes Anti-malware
326385 downloads
Author: Malwarebytes
Category: Security tools
Update: April 15, 2020

Once the downloading process 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 named mb3-setup as on the image below.

When the installation starts, you’ll see the “Setup wizard” which will help you setup Malwarebytes on your PC system.

Once setup is finished, you’ll see window as displayed in the following example.

Now press the “Scan Now” button to perform a system scan for the ‘ad supported’ software that responsible for web browser reroute to the unwanted Microsoft.com.cdn.pcsafer4.win web site. A system scan can take anywhere from 5 to 30 minutes, depending on your PC.

Once the system scan is done, MalwareBytes Anti-Malware will prepare a list of unwanted and adware applications. Make sure all items have ‘checkmark’ and press “Quarantine Selected” button.

The Malwarebytes will now delete ‘ad supported’ software related to Microsoft.com.cdn.pcsafer4.win pop-ups and add items to the Quarantine. After disinfection is finished, you may be prompted to restart your personal computer.

The following video explains step-by-step guidance on how to delete browser hijacker, adware and other malware with MalwareBytes Anti Malware (MBAM).

Scan your computer and remove Microsoft.com.cdn.pcsafer4.win popups with AdwCleaner

AdwCleaner is a portable tool which searches for and uninstalls undesired applications like browser hijackers, adware, toolbars, other web browser extensions and other malware. It scans your personal computer for adware which developed to reroute your web browser to various ad pages like Microsoft.com.cdn.pcsafer4.win and produces a list of threats marked for removal. AdwCleaner will only uninstall those unwanted software that you wish to be removed.

Download AdwCleaner from the following link. Save it to your Desktop so that you can access the file easily.

AdwCleaner download
225261 downloads
Version: 8.4.1
Author: Xplode, MalwareBytes
Category: Security tools
Update: October 5, 2024

Once the download is done, open the directory in which you saved it and double-click the AdwCleaner icon. It will start the AdwCleaner tool and you will see a screen as displayed below. If the User Account Control prompt will ask you want to run the program, click Yes button to continue.

Next, click “Scan” for checking your PC for the adware responsible for Microsoft.com.cdn.pcsafer4.win popup. A system scan can take anywhere from 5 to 30 minutes, depending on your system. While the tool is scanning, you can see number of objects and files has already scanned.

After AdwCleaner has finished scanning, you will be shown the list of all detected threats on your computer as shown in the following example.

You may move items to Quarantine (all selected by default) by simply press “Clean” button. It will display a prompt. Click “OK” button. The AdwCleaner will delete ‘ad supported’ software responsible for redirecting your browser to Microsoft.com.cdn.pcsafer4.win site and add threats to the Quarantine. Once that process is finished, the tool may ask you to restart your personal computer. After reboot, the AdwCleaner will open the log file.

All the above steps are shown in detail in the following video instructions.

How to block Microsoft.com.cdn.pcsafer4.win popups

By installing an ad-blocker program like AdGuard, you’re able to stop Microsoft.com.cdn.pcsafer4.win, autoplaying video ads and get rid of tons of distracting and unwanted ads on web-pages.

Installing the AdGuard ad blocking program is simple. First you’ll need to download AdGuard by clicking on the following link. Save it on your Desktop.

After the downloading process is finished, double-click the downloaded file to start it. The “Setup Wizard” window will show up on the computer screen as shown below.

Follow the prompts. AdGuard will then be installed and an icon will be placed on your desktop. A window will show up asking you to confirm that you want to see a quick guide as shown below.

Click “Skip” button to close the window and use the default settings, or click “Get Started” to see an quick tutorial that will allow you get to know AdGuard better.

Each time, when you start your computer, AdGuard will run automatically and stop pop up, Microsoft.com.cdn.pcsafer4.win redirect, 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 is located on your desktop.

Do not know how your web-browser has been hijacked by Microsoft.com.cdn.pcsafer4.win pop ups?

The ad-supported software actively distributed with free software, along with the installation package of these programs. Therefore, it is very important, when installing an unknown application even downloaded from well-known or big hosting site, read the Terms of use and the Software license, as well as to select the Manual, Advanced or Custom install method. In this mode, you can disable the setup of unneeded modules and applications and protect your PC system from the adware that causes undesired Microsoft.com.cdn.pcsafer4.win popup. Do not repeat the mistakes of most users when installing unknown programs, simply click the Next button, and do not read any information which the freeware show them during its setup. Most commonly this leads to one – the web-browser starts displaying lots of annoying ads such as Microsoft.com.cdn.pcsafer4.win pop-up.

To sum up

After completing the few simple steps shown above, your PC system should be free from adware related to Microsoft.com.cdn.pcsafer4.win pop up and other malware. The Microsoft Internet Explorer, Google Chrome, MS Edge and Firefox will no longer redirect you to various unwanted sites similar to Microsoft.com.cdn.pcsafer4.win. Unfortunately, if the tutorial does not help you, then you have caught a new ‘ad supported’ software, and then the best way – ask for help in our Spyware/Malware removal forum.