Common Symptoms Of Virus Infection

- Computer does not boot.
- Some virus infect your startup system. Strange massage appear
- Some virus infect your ragistry. Strange ststem or software run automatically
- Computer does not boot.
- Computer hard drive space is reduced.
- Applications will not load.
- An application takes longer to load than normal time period.
- Hard dive activity increases especially when nothing is being done on the computer.
- An anti virus software message appears.
- The number of hard drive bad sectors steadily increases.
- Unusual graphics or messages appear on the screen
- Files are missing (deleted)
- A message appears that hard drive cannot be detected or recognized.
- Strange sounds come from the computer.
- Some viruses take control of the keyboard and occasionally substitute a neighboring key for the one actually pressed. Another virus "swallows" key presses so that nothing appears on the screen.
- Also interesting are system time effects. Clocks going backwards are especially frightening for workers who cannot wait to go home. More seriously though, this type of virus can cause chaos for programs which depend on the system time or date.
- Cannot connect to network.