Error # WINDOWS-PORN-91 POP-UP SCAM (Virus removal guide)

What is Error # WINDOWS-PORN-91 pop-ups?

Error # WINDOWS-PORN-91 pop-ups are a new technical support scam that uses fake alerts to lure you and other users into believing that the computer has been infected by malicious software and only a call to the support service will help remove malware and prevent identity theft. The design of this page looks like a security warning from Microsoft, but of course this corporation has nothing to do with this warning. Moreover, no page can instantly detect a computer infection. Therefore, you can safely ignore this fake message and immediately close this page. Security researchers have determined that the “Error # WINDOWS-PORN-91” pop ups are caused by fraudulent advertisements on the pages that users visit or adware installed on the computer.

Scammers use the “Error # WINDOWS-PORN-91” pop-ups to encourage you and other unsuspecting users to call the phone number listed on the webpage. When calling this number, the user will be asked to buy a technical support service. The scam authors are trying to trick unsuspecting users into paying money to “reactivate” a computer, or to remove malware, spyware, trojans and viruses that does not exist on a computer. Scammers may require users to give them remote access to the computer, which can lead to the installation of malicious software on the computer or the theft of user data. In any case, such webpages should always be ignored, you do not need to call the numbers that fraudsters give on the “Error # WINDOWS-PORN-91” pop-up.

Text presented in the Error # WINDOWS-PORN-91 scam webpage:

Sicherheitsalarm:

** IHR COMPUTER IST GESPERRT **

Fehler # WIND0WS-P0RN-91

Bitte rufen Sie uns umgehend an : 044 586 76 58
Dies ist eine wichtige Warnung…
Wenn Sie diese Seite schließen, wird der Zugriff auf Ihren Computer
deaktiviert um weitere Schäden an unserem Netzwerk zu vermeiden.Ihr Computer hat uns darauf hingewiesen, dass er mit einem Virus und Spyware infiziert wurde.Folgende Daten werden gestohlen …

1. Facebook-Login
2. Kreditkartendaten
3. E-Mail-Konto Daten
4. Fotos die auf diesem PC gespeichert sind

Sie müssen sich umgehend mit uns in Verbindung setzen amit unsere Ingenieure Sie durch den Entfernungs-Vorgang per Telefon führen können. Rufen Sie uns bitte innerhalb der nächsten 5 Minuten am um eine vollständige Fehlfunktion Ihres Computers zu vermeiden.

Rufen Sie Microsoft kostenlos kostenlos an: 044 586 76 58

What is Adware?

Adware is type of malicious software that can cause problems for your personal computer. It can generate numerous additional popup, banner, pop-under and in-text link advertisements flooding on your web browser; gather your confidential information such as login details, online searches, etc; run in the background and drag down your computer running speed; give more chances for other adware, PUPs even malware to get on your computer.

Text in another Error # WINDOWS-PORN-91 pop-up:

Windows hat potenzielle Bedrohungen auf Ihrem Computer erkannt

Wenn Sie diese Seite schließen, wird der Zugang auf Ihren Computer deaktiviert, wird der Zugang auf Ihren Computer deaktiviert, um weitere Schäden an unserem Netzwerk zu verhindern.

Fehler #WIND0WS-P0RN-91
Ihr Computer hat uns alarmiert, dass er mit einem Virus und Spyware infiziert wurde.

Völlig kostenlos erreichbar unter

044 586 76 58

Threat Summary

Name	Error # WINDOWS-PORN-91
Type	scam, phishing, fake alerts, technical support scam
Symptoms	ads appear in places they shouldn’t be every time you perform an Internet search, your internet browser is redirected to another web page new entries appear in your Programs folder new extensions suddenly added on your internet browser your web browser homepage or search engine keeps changing or is not set to Google anymor you are unable to update your security software speed test good but internet slow your computer became slower than normal
Removal	“Error # WINDOWS-PORN-91” removal guide

How does Adware get on your PC

Adware commonly comes on the computer with freeware. Most often, it comes without the user’s knowledge. Therefore, many users aren’t even aware that their PC system has been affected by PUPs and adware. Please follow the easy rules in order to protect your PC system from adware and potentially unwanted programs: don’t install any suspicious apps, read the user agreement and select only the Custom, Manual or Advanced install type, don’t rush to press the Next button. Also, always try to find a review of the application on the Internet. Be careful and attentive!

How to remove “Error # WINDOWS-PORN-91” popups from Chrome, Firefox, IE, Edge

Fortunately, we have an effective method that will help you manually or/and automatically remove “Error # WINDOWS-PORN-91” from your web-browser and bring your web browser settings, including default search provider, newtab and startpage, back to normal. Below you will find a removal guidance with all the steps you may need to successfully get rid of adware and its components. Some of the steps will require you to reboot your PC system or exit this web site. So, read this tutorial carefully, then bookmark this page or open it on your smartphone for later reference.

To remove “Error # WINDOWS-PORN-91”, complete the following steps:

1. Remove newly installed PUPs
2. Remove “Error # WINDOWS-PORN-91” popup scam from IE
3. Remove “Error # WINDOWS-PORN-91” scam from Google Chrome
4. Remove “Error # WINDOWS-PORN-91” pop up scam from Firefox
5. Automatic Removal of “Error # WINDOWS-PORN-91” popups
6. How to stop “Error # WINDOWS-PORN-91” pop-ups

How to manually get rid of “Error # WINDOWS-PORN-91”

Looking for a solution to get rid of “Error # WINDOWS-PORN-91” scam manually without downloading any tools? Then this section of the blog post is just for you. Below are some simple steps you can take. Performing these steps requires basic knowledge of web browser and MS Windows setup. If you doubt that you can follow them, it is better to use free apps listed below that can help you remove “Error # WINDOWS-PORN-91” popup scam.

Remove newly installed PUPs

First, you should try to identify and uninstall a program that causes the “Error # WINDOWS-PORN-91” popups, unwanted ads or browser redirects, using the ‘Uninstall a program’ which is located in the ‘Control panel’.

Windows 7	Windows 8
Click ‘Start’. In the Start menu select ‘Control Panel’. Find and select ‘Programs and Features’ or ‘Uninstall a program’. Select the program. Click ‘Uninstall’.	Press and hold Windows key and hit X key. Select ‘Programs and Features’ from the menu. Select the program. Click ‘Uninstall’.
Windows 10	Mac OS
Press and hold Windows key and hit X key. Select ‘Programs and Features’ from the menu. Select the program. Click ‘Uninstall’.	On the top menu select ‘Go’, then ‘Applications’. Drag an unwanted application to the Trash bin. Right-click on the ‘Trash’ and select ‘Empty Trash’.

Remove “Error # WINDOWS-PORN-91” popup scam from IE

In order to restore web browser newtab, start page and default search provider and get rid of unwanted ads you need to reset the IE to the state, that was when the MS Windows was installed on your computer.

First, run the Internet Explorer. Next, click the button in the form of gear (). It will show the Tools drop-down menu, click the “Internet Options” as displayed on the image below.

In the “Internet Options” window click on the Advanced tab, then click the Reset button. The Internet Explorer will open the “Reset Internet Explorer settings” window as displayed in the following example. Select the “Delete personal settings” check box, then press “Reset” button.

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

Remove “Error # WINDOWS-PORN-91” scam from Google Chrome

Reset Chrome settings will allow you to completely reset your web-browser. The result of activating this function will bring Chrome settings back to its default state. This can remove “Error # WINDOWS-PORN-91” pop ups and disable malicious extensions. However, your saved passwords and bookmarks will not be changed, deleted or cleared.

1. First start the Google Chrome and press Menu button (small button in the form of three dots).
2. It will show the Chrome main menu. Select More Tools, then click Extensions.
3. You will see the list of installed plugins. If the list has the extension labeled with “Installed by enterprise policy” or “Installed by your administrator”, then complete the following steps: Remove Chrome extensions installed by enterprise policy.
4. Now open the Chrome menu once again, click the “Settings” menu.
5. You will see the Google Chrome’s settings page. Scroll down and press “Advanced” link.
6. Scroll down again and click the “Reset” button.
7. The Google Chrome will display the reset profile settings page as shown on the image above.
8. Next press the “Reset” button.
9. Once this process is complete, your web browser’s search provider by default, newtab and startpage will be restored to their original defaults.
10. To learn more, read the post How to reset Chrome settings to default.

Remove “Error # WINDOWS-PORN-91” pop up scam from Firefox

If the Firefox settings such as default search engine, startpage and newtab have been changed by the adware software, then resetting it to the default state can help. Essential information like bookmarks, browsing history, passwords, cookies, auto-fill data and personal dictionaries will not be removed.

Click the Menu button (looks like three horizontal lines), and click the blue Help icon located at the bottom of the drop down menu as shown below.

A small menu will appear, click the “Troubleshooting Information”. On this page, click “Refresh Firefox” button as on the image below.

Follow the onscreen procedure to return your Firefox web-browser settings to their default state.

Automatic Removal of “Error # WINDOWS-PORN-91” popups

If you’re unsure how to delete “Error # WINDOWS-PORN-91” pop-ups easily, consider using automatic adware removal apps that listed below. It will identify the adware that causes fake alerts and get rid of it from your personal computer for free.

Get rid of “Error # WINDOWS-PORN-91” popup with Zemana

Zemana is a program that is used for malicious software, adware, hijackers and potentially unwanted applications removal. The application is one of the most efficient antimalware utilities. It helps in malware removal and and defends all other types of security threats. One of the biggest advantages of using Zemana Anti-Malware (ZAM) is that is easy to use and is free. Also, it constantly keeps updating its virus/malware signatures DB. Let’s see how to install and scan your computer with Zemana Anti-Malware in order to remove “Error # WINDOWS-PORN-91” pop up from your PC system.

Now you can install and run Zemana Anti Malware to remove “Error # WINDOWS-PORN-91” popup scam from your internet browser by following the steps below:

Please go to the link below to download Zemana Anti Malware installer named Zemana.AntiMalware.Setup on your PC system. Save it on your Desktop.

Start the installation package after it has been downloaded successfully and then follow the prompts to setup this tool on your personal computer.

During installation you can change some settings, but we advise you do not make any changes to default settings.

When install is finished, this malware removal tool will automatically launch and update itself. You will see its main window as displayed on the image below.

Now click the “Scan” button . Zemana Anti Malware utility will start scanning the whole personal computer to find out adware software that causes “Error # WINDOWS-PORN-91” scam. 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. When a threat is found, the number of the security threats will change accordingly.

As the scanning ends, you can check all threats found on your PC system. When you are ready, press “Next” button.

The Zemana will remove adware software related to the “Error # WINDOWS-PORN-91” popup and move the selected items to the program’s quarantine. Once finished, you can be prompted to restart your personal computer to make the change take effect.

Use HitmanPro to remove “Error # WINDOWS-PORN-91” pop-up scam

All-in-all, Hitman Pro is a fantastic tool to free your computer from any unwanted programs such as adware that causes multiple undesired popups. The HitmanPro is portable application that meaning, you do not need to install it to run it. Hitman Pro is compatible with all versions of Windows operating system from MS Windows XP to Windows 10. Both 64-bit and 32-bit systems are supported.

Installing the Hitman Pro is simple. First you’ll need to download Hitman Pro on your Windows Desktop by clicking on the following link.

When the downloading process is finished, open the file location and double-click the Hitman Pro icon. It will start the HitmanPro tool. If the User Account Control prompt will ask you want to run the program, press Yes button to continue.

Next, press “Next” . HitmanPro tool will start scanning the whole computer to find out adware that causes “Error # WINDOWS-PORN-91” pop up scam. A system scan can take anywhere from 5 to 30 minutes, depending on your computer. While the HitmanPro application is scanning, you can see how many objects it has identified as threat.

After the system scan is complete, it will open the Scan Results like below.

When you’re ready, press “Next” button. It will open a prompt, press the “Activate free license” button. The HitmanPro will start to remove adware related to the “Error # WINDOWS-PORN-91” pop up scam. Once disinfection is finished, the tool may ask you to restart your PC.

Get rid of “Error # WINDOWS-PORN-91” popups with MalwareBytes Anti-Malware (MBAM)

We suggest using the MalwareBytes that are fully clean your PC system of the adware software. The free tool is an advanced malicious software removal application designed by (c) Malwarebytes lab. This program uses the world’s most popular anti malware technology. It is able to help you remove the “Error # WINDOWS-PORN-91” pop ups from your internet browsers, potentially unwanted software, malware, hijackers, toolbars, ransomware and other security threats from your computer for free.

1. Please go to the link below to download MalwareBytes Anti Malware. Save it directly to your MS Windows Desktop.
   
   

   Malwarebytes Anti-malware
   326382 downloads
   Author: Malwarebytes
   Category: Security tools
   Update: April 15, 2020
   
2. After downloading is finished, close all applications and windows on your PC system. Open a folder in which you saved it. Double-click on the icon that’s named MBsetup.
3. Select “Personal computer” option and click Install button. Follow the prompts.
4. Once setup is complete, click the “Scan” button to perform a system scan for the adware software responsible for “Error # WINDOWS-PORN-91” pop up. Depending on your personal computer, the scan can take anywhere from a few minutes to close to an hour. While the utility is checking, you can see count of objects and files has already scanned.
5. After the scan is complete, MalwareBytes Free will show a scan report. You may delete threats (move to Quarantine) by simply click “Quarantine”. After disinfection is finished, you can be prompted to restart your PC.

The following video offers a guide on how to remove browser hijackers, adware and other malware with MalwareBytes Free.

How to stop “Error # WINDOWS-PORN-91” pop-ups

The AdGuard is a very good ad blocking application for the Chrome, Internet Explorer, Edge and Mozilla Firefox, with active user support. It does a great job by removing certain types of undesired ads, popunders, pop-ups, undesired new tabs, and even full page ads and web page overlay layers. Of course, the AdGuard can block the “Error # WINDOWS-PORN-91” pop-ups automatically or by using a custom filter rule.

AdGuard can be downloaded from the following link. Save it on your Desktop.

After downloading it, run the downloaded file. You will see the “Setup Wizard” screen as shown on the image below.

Follow the prompts. Once the install is complete, you will see a window like below.

You can click “Skip” to close the setup program and use the default settings, or click “Get Started” button to see an quick tutorial that will help 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 PC system, AdGuard will launch automatically and stop undesired ads, block “Error # WINDOWS-PORN-91” scam, as well as other harmful or misleading webpages. For an overview of all the features of the program, or to change its settings you can simply double-click on the AdGuard icon, that is located on your desktop.

To sum up

Now your PC system should be clean of the adware software responsible for “Error # WINDOWS-PORN-91” pop-up scam. We suggest that you keep AdGuard (to help you stop unwanted advertisements and intrusive malicious web-pages) and Zemana Anti Malware (ZAM) (to periodically scan your device for new adwares and other malware). Probably you are running an older version of Java or Adobe Flash Player. This can be a security risk, so download and install the latest version right now.

If you are still having problems while trying to delete “Error # WINDOWS-PORN-91” popups from the Microsoft Edge, Mozilla Firefox, Google Chrome and Internet Explorer, then ask for help here here.