how do i know my computer has a virus

Best answer


If you notice any of the following issues with your computer,it may be infected with a virus:Slow computer performance (taking a long time to start up or open programs)Problems shutting down or restartingMissing filesFrequent system crashes and/or error messagesUnexpected pop-up windowsNew applications (toolbars,etc.) that appear without you downloading themOverworked hard drive (the fan makes sounds and seems to be whirring and working hard when you aren鈥檛 doing much)Emails that send autonomously from your accounts

People also ask


  • How do I check if my computer is infected with malware?

  • On Windows 10, open your Start menu, type 鈥淪ecurity,鈥?and click the 鈥淲indows Security鈥?shortcut to open it. You can also head to Settings Update Security Windows Security Open Windows Security. To perform an anti-malware scan, click 鈥淰irus threat protection.鈥?Click 鈥淨uick Scan鈥?to scan your system for malware.

  • How to scan your computer for viruses?

  • How to Scan Your Computer for Viruses By default, Windows 10 is always scanning your PC for malware with the integrated Windows Security application, also known as Windows Defender. You can, however, perform manual scans.

  • What do you need to know about computer viruses?

  • Here鈥檚 a quick guide on everything you need to know about computer viruses 鈥?from what they are and to how to spot one, to what you should do if your device is infected. There are several ways a computer can get infected by a virus and most of them involve downloading 鈥?either intentionally or unintentionally 鈥?infected files.

  • How do you know if you have a virus?

  • Although many viruses are obvious, some of them aren’t. Some of them are only obvious to other people. For example, if you get messages from friends, family or colleagues asking why you’re sending them weird stuff, that’s often a sign that a virus on your computer is sending out infected emails to try and spread to everybody in your contacts book.

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