If you suspect that your Windows desktop or laptop is infected with a virus or malware, there are two ways to verify this: you can manually detect the virus or run multiple scans using several reputable antivirus programs.
10 Signs of Malware on Your Computer | How to Know if You're Infected
Not all viruses affect computer systems in the same way, but there are some warning signs you can look out for:
In some situations, a PC virus will not cause any noticeable changes to your system. Therefore, consistent scanning with a quality antivirus program is the only way to protect your computer.
A good place to start is to check Windows Task Manager for any unusual or strange-looking processes. Some malware will run at startup and try to disguise itself as a normal Windows process. A quick Google search can quickly tell if a process is legitimate.
