Help to Remove pcwindows-critical-alert.info Pop-up Ads From Common Web Browsers - The Effective Pop-up Ads Removal Solutions

Seeing random popups from pcwindows-critical-alert.info? Need help to get rid of these pop-up ads? This post is right for you.

pcwindows-critical-alert.info pop-up ads are caused by an ad-supported extension which is usually added when you install other free downloads from the Internet. Technically speaking, this domain is not malicious itself, but it is utilized as an ad-platform spreading tech support scam. This is one of the reasons why it is considered as a malicious domain. Moreover, it is reported that popups from this domain may contain malicious codes which is able to introduce many other computer infection onto your PC without any approval.

Popups from pcwindows-critical-alert.info state that your computer is infected and you should call the tech support promoted on the popups to solve the problem immediately. However, it is highly recommended that you should not trust popups from this domain and not call their so-called tech support at the phone number promoted on popup. If you do as the pop-ups say, you will suffer from a great loss of time, money even put your computer at risk. Once you call the tech support, you will be asked to pay a sum of money for the tech support. However, it is disappointing that they will not solve the problem for you after the payment. So, you should keep in mind that this is just a tech support scam and it cannot bring anything good for you but cheat you money. 

In short, pcwindows-critical-alert.info should be removed from your PC immediately to safeguard your computer system from further damage.

Guide 1: A Vidoe Showing How to Remove pcwindows-critical-alert.info Pop-up Ads 

Guide 2: Remove pcwindows-critical-alert.info Pop-up Ads Manually

Step 1. End all running processes of pcwindows-critical-alert.info 

1. Right click on the Taskbar
2. select Start Task Manager  
3. find out and click End Process to stop all running processes of this domain

Step 2. Remove pcwindows-critical-alert.info adware or other suspicious programs recently installed from control panel

For Windows XP:

1. Move your mouse to click on "Start" button at the bottom left corner on your desktop
2. Click on"Control Panel" in the menu ( or select"Settings" option and click on"Control Panel")
3. In the Control Panel menu, double click on "Add / Remove Programs" option
4. In the program list, find out and click on malicious program 
5. click Remove

For Windows 7:

1. Click on "Start" button at the bottom left corner
2. Select"Control Panel" in the Start menu
3. In the Control Panel menu, find out and click on"Programs and Features" option
4. In the program list, look for the malicious program > click "Uninstall"

For Windows 8:

1. Right click "Start" button (or lower left corner of your desktop to open the "Quick Access Menu")
2. Click on"Control Panel" option in the menu
3. Click "Uninstall a Program" to open the list of installed programs
4. Select malicious program and click "Uninstall" button

Step 3. Remove all suspicious add-ons or extensions of pcwindows-critical-alert.info or other suspicious programs recently installed from your web browsers

For Google Chrome:

1. Open Google Chrome
2. click the Customize and control Google Chrome icon with three short stripes on the top right corner
3. click on Tools
4. click on Extensions
5. Look for suspicious extensions in the list
6. click Trash icon to delete them one by one.

For Mozilla Firefox:

1. Start Firefox and press Ctrl+Shift+A on the keyboard at the same time to open Add-ons Manager. You will see a list of all extensions and plugins installed in Firefox.
2. Look for suspicious add-ons on the Extensions and Plugins. Highlight each one individually and click remove.

For Internet Explorer:

1. Click on the gear icon on the top right corner
2. click on Manage add-ons
3. Under the tab Toolbars and Extensions, find out and disable all suspicious toolbars or extensions

Step 4. Reset Your Web Browsers

Reset Google Chrome:

1. Start Google Chrome and click on the browser "Menu button" (three bars in the right top corner)
2. select "Settings" menu option
3. Click on "Show advanced settings" option
4. Click on "Reset browser settings" button
5. click on "Reset" to ensure the operation

( Note: If you want to save other Chrome extensions and your personal settings, then you need to only remove extension from your web browser instead of running reset command.)

Reset Internet Explorer:

1. Start Internet Explorer and click on "Settings"/ gear icon in the right top corner
2. click on "Internet Options"
3. Click on tab "Advanced"
4. click "Reset" button
5. click on the option "Delete personal Settings" 
6. Click on "Reset" button 
7. Restart your browser

(Note: If you want to save other extensions installed in your Internet Explorer, then you need to only remove browser helper object from your web browser instead of making reset.)

Reset Mozilla Firefox:

1. Start Mozilla Firefox
2. Click on Firefox
3. Select "Help" and click "Troubleshooting information"
4. Click on "Reset Firefox"
5. Click on "Reset Firefox" to confirm the operation
6. Click on "Finish" to restart Firefox

(Note: If you want to save other Firefox add-ons and your personal information stored in the web browser, then you need to only remove add-on from your web browser instead of using browser reset.)

Step 5. Remove all the registry entries of pcwindows-critical-alert.info or other suspicious programs recently installed

1. Press Win+R keys on the keyboard together to open the Run box, then type regedit into the search blank

2. Find out and remove all suspicious registry entries in the Registry Editor window

Guide 3: Automatically Remove pcwindows-critical-alert.info with SpyHunter 

If you have difficulties in removing pcwindows-critical-alert.info manually, you are suggested to use a reputable and powerful anti-spyware application like SpyHunter to help you remove it from computer system completetly and for good.

SpyHunter is a powerful, real-time anti-spyware application that designed to assist the average computer user in protecting their PC from malicious threats like worms, Trojans, rootkits, rogues, dialers, spyware,etc. It is important to note that SpyHunter removal tool works well and should run alongside existing security programs without any conflicts.

Step one: Click the icon to download SpyHunter removal tool


Step two: Install Spyhunter as follows.

Open spyh File


spyhunter installed

Step three: After the installation, run SpyHunter and click “Malware Scan” button to have a full or quick scan on your PC.


Step four: Select the detected malicious files after your scanning and click “Remove” button to clean up all viruses.

remove all threats

Note: pcwindows-critical-alert.info is considered as a malicious domain caused by a relatively tricky and stubborn adware or malware, it can do much harm to your PC if you keep it in your system without taking any actions to remove it. Here, if you have difficulties in removing this domain manually, it is recommended that you use a good removal tool like SpyHunter to get rid of it effectively.

Want a Quicker Way to Get Rid of pcwindows-critical-alert.info? Click Here to Download Auto Fix Tool - SpyHunter

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