There are several signs that your computer may be infected with a virus. Some common symptoms include:
- Slow computer performance
- Unexpected pop-up windows
- Unwanted programs starting automatically
- Missing or corrupted files
- Frequent system crashes or blue screen of death
- New applications or processes appearing on the background
- Overworked hard drive
- Spam emails sent automatically from your account without your permission
- Browser redirects
- Disk is full due to virus leaving a copy of themselves and creating duplicates of system files that fill up your disk space
- Inability to download antivirus program updates or a malfunctioning firewall
If you are experiencing any of these symptoms, it is worth checking if your computer has a virus.