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How to remove a virus from the computer

The vast majority of computer users have suffered at some moment the consequences of having a virus on their PC or an infection of malware that alters the proper functioning of your computer or prevents its startup.

If it turns out that you can still enter Windows and have access to the Internet, read on, since we show you how to remove it from your computer. If your PC does not work, it does not start correctly, or you cannot connect, see the next section of the article or query How to remove a virus from your computer or Windows laptop.

Not sure if it is a virus? Here are some keys that happen on your computer when it has viruses or malware running:

  • The system goes very slowly. Windows and applications slow down
  • You are seeing many pop-up messages that you have not seen before
  • Programs start in your version of Windows that you don't recognize

How to remove a virus from your laptop or PC

If you are lucky and have an antivirus program installed on your PC, run an initial scan. If it turns out that nothing is detected, follow these steps in the order that we indicate, and do not restart your device until you have completed all the steps.

  • Some malicious programs try to prevent them from being detected and removed. To combat this behavior download and run rkill.
  • Download and install the latest version of Malwarebytes. Start the program and go to Settings> Protect> Search rootkits. Return to the control panel and click Scan now.
  • Install and run Malwarebytes ADWcleaner, and then click Scan.

How to remove a virus when Windows does not work

If it turns out that you cannot enter Windows to perform a system scan, you should create a recovery tool that you can use to boot the computer. Of course, you will need to have a second PC or laptop, as well as a storage unit of the pendrive type or blank CD / DVD.

Discharge the Norton Bootable Recovery Tool.

If you are using a recordable CD or DVD, insert it into the drive (of the second computer). Find the Norton Bootable Recovery Tool file you just downloaded, right-click on NBRT.iso and select Burn disk image.

In the Windows image recorder, select the disk drive you are in and click Burn. If you are using a USB drive pendrive instead of a disk, our recommendation is to download and install the tool Rufus.

Insert a unit flash USB (which to be formatted). Under Format Options, select 'ISO Image' in the drop-down menu next to 'Create a boot disk. Click on the disk drive icon, browse to the Norton Boot Recovery Tool file and select NBRT.iso. Click Start and then click OK.

Then, insert your recovery disc or USB drive into the infected PC.

Start the computer, but instead of letting it start normally, you will have to enter the BIOS menu to force booting from the USB drive. A key on your keyboard (often F2) allows you to access this BIOS screen.

Browse through the boot options and then select the disk or USB drive as the first drive. Save the changes before exiting the BIOS menu. Your machine will now start from the specified USB drive.

If a start menu appears on the Welcome to NBRT 'page, select Start and follow the instructions to start the analysis.

Once completed, the system will show you the threats found and tell you to carry out some of the following steps. Be sure to "fix" only the most potential threats, since the actions you take cannot be undone.

Click on Correct and Accept when you are asked for confirmation. Click Restart when the process is finished.

How to prevent the Windows computer from becoming infected with another virus

The best way to keep your computer safe on the Internet is to make sure your antivirus is up to date. Windows 10 has a firewall Built-in and an effective antivirus under the name of Windows Defender.

The use of some additional security solution is always a good idea, since if it turns out that you acquire a more complete security suite, you can always disable the security offered by the Windows operating system.

However, be careful not to open email attachments unless you are sure of what they contain and where they came from, as well as downloading software only from official and trusted places and sources.

When you are browsing the web, check the URL to make sure that the site you think you are in, is the real one of the company or service you want and not a fake that seeks to steal your data or credentials to download malware

Check out the article in which we offer you the best antivirus for Windows of 2019.

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