• The computer is running considerably slower than normal for no apparent reason.

• When you are trying to open a program and it takes forever to load.

• The computer is crashing and restarting by itself after every few minutes.

• The applications and the programs on the machine are not working correctly, or
  are not responding to any commands.

• The machine is not responding in general, and everything is simply frozen.

• There are error messages popping out on a regular basis.

• Your files and folders are getting deleted automatically.

• Your disks and drives are not working properly.

• There are unknown and uninstalled icons on your desktop suddenly.

• The antivirus software that you have is not working properly, or it has been disabled.

• You are unable to install or update a new antivirus program on your computer.

• Printouts that you take are faulty and incorrect.

• Your programs and applications have disappeared from the machine without you intentionally deleting them.

• New windows keep opening up at an alarming rate.

• Computer is EXTREMELY SLOW when starting up.

• Rogue, fake Anti Virus software with non stop pop-up alerts

These are the basic symptoms or characteristics of an infected computer, but can be failing hardware also.

It can disable many important applications and programs, and can even corrupt physical hardware on your machine. As a result of these symptoms of computer viruses the workability of a machine gets seriously disabled, and it becomes impossible to perform any task at all. Eventually if you do not remove these virus and spyware your computer will not function at all. And your important data on your computer,,,, hopefully your data back up is current.