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
What to do if you think your computer has a virus?
What to do: If your computer isn鈥檛 10 years old and you鈥檙e pretty sure that it has a virus, the next step is to scan your computer for viruses using a good antivirus software. Delete any files that are flagged as suspicious and make sure to regularly scan for any signs of infection.
What are the signs of a virus on your computer?
What Are the Signs of a Virus? Poor performance, application crashes, and computer freezes can sometimes be the sign of a virus or another type of malware wreaking havoc. However, that鈥檚 not always the case: There are many other causes of problems that can slow down your PC.
Do Windows computers get viruses?
Windows computers sometimes do get viruses and other malware, but not every slow or misbehaving PC is infected by malware. Here鈥檚 how to check if you actually have a virus鈥攁nd whether that suspicious process is dangerous or not. What Are the Signs of a Virus?
How do I know if my computer has malware?
There鈥檚 no one-size-fits-all piece of evidence to look for without actually scanning your PC for malware. Sometimes malware causes PC problems, and sometimes it鈥檚 well-behaved while sneakily accomplishing its goal in the background. The only way to know for sure whether you have malware is to examine your system for it.