17 Most Commonly Found Symptoms of Computer Virus Infections

April 27, 2011 - PRLog -- Sometimes, it is very difficult to tell whether your PC is infected by virus. It might be hardware and/or software problems. Therefore, I have listed the most commonly found symptoms of computer virus infections. It will help you to identify and take action immediately when your computer is infected.

1. Your computer is running much slower than usual.

2. Your hard disk space is used up more than you expect.
- Virus might replicate itself and use up disk spaces.

3. Files become corrupted

4. You hear unusual sound or music plays randomly.

5. Screen displays image or message that you don't expect.

6. Computer programs or files disappear/appear suddenly.

7. Operating system unable to startup.
- Your system files might be corrupted/infected.

8. Operating system boots much slower than usual.

9. Operating system shuts down unexpectedly.

10. System settings have changed without user's knowledge.

11. Programs or files behave abnormally.

12. Your personal firewall notifies you that a program is trying to access to internet.

13. Your friends receive unexpected e-mail(s) from you.
- This could be a sign that your computer is being controlled remotely to send junk e-mail(s).

14. You are unable to run task manager, MSCONFIG, control panel etc.
- Malicious software is trying to stop you from removing it.

15. You browser is behaving unusually.
- Examples: Extra toolbar is installed without your permission, unable to close browser window, search engine returns unexpected results.

16. Anti-virus or security softwares are disabled for unknown reasons.

17. Your computer crashes for unknown reasons.
- It can be a hardware problem but your PC is possibly infected by virus too. If you have not installed any new hardware recently, then it could be a virus attack.

If your computer has any symptom listed above, most probably that it is infected by computer virus. However, if you suspect that your computer is infected but non of the symptoms in the list is shown, consult from the experts or contact us.

Visit Best PC Utilities: http://bestpcutilities.com/ for more information.

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Best PC Utilities is a blog that gathers the best pc utilities, software reviews, troubleshooting guides, tutorials and tips to maximize your pc performance. Visit Best PC Utilities: http://bestpcutilities.com/ to explore great tips and information.